15 Celebrities Who Were on All That Before Fame

Image Credit: Wikimedia Commons

By Luca von Burkersroda

15 Celebrities Who Were on All That Before Fame

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Luca von Burkersroda

Nick Cannon: From Nickelodeon Prankster to Entertainment Mogul

Nick Cannon: From Nickelodeon Prankster to Entertainment Mogul (image credits: wikimedia)
Nick Cannon: From Nickelodeon Prankster to Entertainment Mogul (image credits: wikimedia)

Nick Cannon burst onto “All That” in the later years, immediately making waves with his sharp comedic timing and infectious charisma. It’s almost shocking to imagine the powerhouse behind “Wild ’N Out” starting as a teenager goofing off on sketch comedy, but that’s exactly where Cannon’s journey began. He quickly became a fan favorite, and his ability to improvise set him apart even among a talented cast. After his Nickelodeon days, Cannon’s career exploded—he launched his own comedy empire, hosted “America’s Got Talent,” and became a fixture in Hollywood. According to industry reports, “Wild ’N Out” became MTV’s highest-rated show in its time slot, cementing Cannon’s reputation as a creative force. He often credits “All That” for giving him his first big break and teaching him how to work with a live audience. Cannon’s story is a reminder that humble beginnings can lead to superstar status.

Amanda Bynes: Child Star Turned Comedy Queen

Amanda Bynes: Child Star Turned Comedy Queen (image credits: wikimedia)
Amanda Bynes: Child Star Turned Comedy Queen (image credits: wikimedia)

Amanda Bynes was a revelation on “All That,” quickly turning heads with her quirky characters and spot-on comedic delivery. Her sketches, like the offbeat “Ask Ashley,” became instant classics and gave her a platform to shine in her own right. This momentum led directly to “The Amanda Show,” which Bynes headlined as a teenager, and later to starring roles in box office hits such as “She’s the Man” and “What a Girl Wants.” By the early 2000s, Bynes was a household name, and her performances drew millions of viewers, according to Nielsen ratings. Despite later personal struggles, her legacy as one of Nickelodeon’s brightest stars remains secure. Her ability to make audiences laugh with both physical comedy and witty banter set a new standard for young comedians on TV. Amanda Bynes’ rise is proof that early talent can blossom into stardom, even if the path isn’t always straightforward.

Kenan Thompson: Sketch Comedy Legend in the Making

Kenan Thompson: Sketch Comedy Legend in the Making (image credits: wikimedia)
Kenan Thompson: Sketch Comedy Legend in the Making (image credits: wikimedia)

Kenan Thompson was a pillar of the original “All That” cast, and his chemistry with Kel Mitchell became the stuff of ’90s legend. With his expressive face and knack for creating hilarious characters, Thompson quickly stood out and captured the hearts of young viewers. After “All That,” he and Kel starred in the iconic spinoff “Kenan & Kel” and the beloved movie “Good Burger.” Thompson’s career reached new heights when he joined “Saturday Night Live” (SNL) in 2003, where he is now the longest-tenured cast member in the show’s history—over 20 seasons and counting, according to NBC records. His versatility and dedication have earned him an Emmy and widespread respect in the comedy world. Starting on “All That” not only gave him exposure but also honed his skills for a lifetime in comedy. Thompson’s journey highlights how a sketch show for kids can launch someone into the comedy stratosphere.

Kel Mitchell: Good Burger’s Comedic Genius

Kel Mitchell: Good Burger’s Comedic Genius (image credits: wikimedia)
Kel Mitchell: Good Burger’s Comedic Genius (image credits: wikimedia)

Kel Mitchell’s energy on “All That” was truly electric, and he became synonymous with outrageous characters and physical comedy. His portrayal of Ed in the “Good Burger” sketches was so popular that it led to a full-length movie, which grossed over $23 million at the box office, according to Box Office Mojo. Mitchell’s comedic bond with Kenan Thompson became iconic, and together they set a new bar for Nickelodeon humor. After “All That,” Kel continued acting in various TV shows and movies, and even competed on “Dancing with the Stars,” where he finished as runner-up. He’s known for his positive attitude toward his Nickelodeon roots, often appearing at reunions and fan events. Mitchell’s legacy is cemented by the laughter he brought to millions and the character he created that’s still quoted today. His career is a testament to the lasting impact of a single sketch on pop culture.

Jamie Lynn Spears: From Sketch Comedy to Teen Idol

Jamie Lynn Spears: From Sketch Comedy to Teen Idol (image credits: wikimedia)
Jamie Lynn Spears: From Sketch Comedy to Teen Idol (image credits: wikimedia)

Jamie Lynn Spears joined “All That” during its later seasons, bringing a fresh face and undeniable talent to the cast. It was a surprising turn for the younger sister of Britney Spears, but Jamie Lynn quickly proved she could hold her own with comedic timing and charm. Her stint on the show paved the way for her starring role in “Zoey 101,” which became one of Nickelodeon’s top-rated shows, drawing millions of viewers per episode. Spears became a teen idol almost overnight, and her character, Zoey Brooks, inspired a generation of fans. Despite facing personal and public struggles, Spears has continued to pursue acting and music. She’s often spoken about how her time on “All That” gave her confidence and helped her develop her craft. Jamie Lynn’s journey from sketch comedy to teen stardom is a classic example of how Nickelodeon shaped the stars of the 2000s.

Gabriel Iglesias: Stand-Up Sensation’s Humble Beginnings

Gabriel Iglesias: Stand-Up Sensation’s Humble Beginnings (image credits: wikimedia)
Gabriel Iglesias: Stand-Up Sensation’s Humble Beginnings (image credits: wikimedia)

Long before he was known as “Fluffy,” Gabriel Iglesias made early appearances on “All That,” giving viewers a taste of the comedy style that would later make him famous. His ability to mimic voices and create hilarious scenarios set him apart, even in smaller roles. After Nickelodeon, Iglesias became one of the top-grossing stand-up comedians in the world, selling out arenas and releasing Netflix specials that have reached millions of viewers globally. According to Forbes, Iglesias consistently ranks among the highest-earning comics. He credits “All That” as a critical stepping stone, helping him learn about show business and connect with audiences. Iglesias’ journey shows that even brief stints on kids’ TV can lay the groundwork for a stellar career in comedy. His relatable humor and infectious personality have won him fans across every age group.

Taran Killam: Youngest Cast Member to SNL Standout

Taran Killam: Youngest Cast Member to SNL Standout (image credits: wikimedia)
Taran Killam: Youngest Cast Member to SNL Standout (image credits: wikimedia)

Taran Killam was just 14 when he joined “All That,” making him one of the youngest cast members ever. Despite his youth, he quickly proved he could match the comic timing and creativity of his older peers. His sketches often showcased his knack for impressions and physical comedy, skills that would later serve him well on “MADtv” and “Saturday Night Live.” On SNL, Killam became known for his celebrity impersonations and clever writing, contributing to some of the show’s most memorable sketches in recent years. He has also acted in films and written for TV, expanding his reach beyond sketch comedy. Killam credits his early start on “All That” for teaching him the importance of teamwork and improvisation. His story is proof that the youngest performers can sometimes make the biggest impact.

Christy Knowings: Theater and TV’s Multitalented Star

Christy Knowings: Theater and TV’s Multitalented Star (image credits: unsplash)
Christy Knowings: Theater and TV’s Multitalented Star (image credits: unsplash)

Christy Knowings joined “All That” in its fourth season, quickly earning a reputation for her versatile acting and comedic range. She brought an infectious energy to every sketch, whether she was playing a quirky character or delivering a punchline with perfect timing. After her time on “All That,” Knowings continued to work in television, appearing on shows like “The Cosby Show,” and expanded into theater, earning rave reviews for her stage performances. She’s also appeared at fan conventions and in Nickelodeon retrospectives, reflecting on how “All That” shaped her career. Knowings’ love for the arts is evident in her varied and successful pursuits. Her journey illustrates how a platform for young comedians can open doors to a lifetime of artistic achievement.

Danny Tamberelli: Nickelodeon’s Favorite Redhead

Danny Tamberelli: Nickelodeon’s Favorite Redhead (image credits: wikimedia)
Danny Tamberelli: Nickelodeon’s Favorite Redhead (image credits: wikimedia)

Danny Tamberelli already had a dedicated fan base from “The Adventures of Pete & Pete” when he joined “All That.” On the sketch show, he brought a unique blend of wit and goofiness that quickly won over audiences. Tamberelli became a Nickelodeon staple in the late ’90s, often crossing over between shows and live events. After his Nickelodeon days, he continued acting, played in bands, and even launched a successful podcast with his “Pete & Pete” co-star. Tamberelli often reminisces about his time on “All That,” crediting the show with helping him build confidence and stage presence. His enduring connection with fans is a testament to the loyalty Nickelodeon stars inspire. Tamberelli’s story shows how being part of a beloved TV family can open doors for decades.

Josh Server: The Sketch Comedy Stalwart

Josh Server: The Sketch Comedy Stalwart (image credits: wikimedia)
Josh Server: The Sketch Comedy Stalwart (image credits: wikimedia)

Josh Server stands out as one of “All That’s” longest-serving cast members, appearing in nearly every season of the show’s original run. His ability to adapt to different characters and sketches made him a valuable asset and a favorite among diehard fans. While Server never achieved the same mainstream fame as some of his co-stars, he became a cult icon within the Nickelodeon community. After “All That,” Server continued to act and make guest appearances on various Nickelodeon projects, including the show’s 2019 revival. He’s also ventured into producing and behind-the-scenes work. Server’s steady career and loyal fan following highlight the impact of consistency and dedication in the entertainment world. His journey is a reminder that you don’t have to be a superstar to make a lasting impression.

Lori Beth Denberg: Queen of “Vital Information”

Lori Beth Denberg: Queen of “Vital Information” (image credits: wikimedia)
Lori Beth Denberg: Queen of “Vital Information” (image credits: wikimedia)

Lori Beth Denberg’s “Vital Information” segment on “All That” became one of the most beloved running gags of the ’90s. Her deadpan delivery and witty one-liners were iconic, and kids across America mimicked her style. Denberg’s popularity on the show led to appearances on other Nickelodeon programs, such as “Figure It Out,” and she later had roles in sitcoms and movies. She has remained active in comedy, performing at conventions and reunions, and sharing her experiences with fans. Denberg once said in an interview that “All That” was her “comedy boot camp,” shaping her sense of humor for life. Her impact on sketch comedy endures, and her catchphrases are still quoted by fans old and new.

Alisa Reyes: From Nickelodeon to Animated Stardom

Alisa Reyes: From Nickelodeon to Animated Stardom (image credits: unsplash)
Alisa Reyes: From Nickelodeon to Animated Stardom (image credits: unsplash)

Alisa Reyes was a key member of the original “All That” cast, bringing energy and versatility to every episode. She played a variety of characters, showing off her comedic range and helping to set the tone for the series’ early years. After leaving “All That,” Reyes transitioned into voice acting, most notably as LaCienega Boulevardez in Disney’s “The Proud Family.” The show became a hit, and Reyes’s character was a fan favorite, helping her reach new audiences. She has continued to act and produce, often reflecting on how her Nickelodeon experience shaped her career. Reyes’s journey shows how starting in children’s television can open doors in unexpected directions, including animation and behind-the-scenes roles.

Katrina Johnson: The Impression Queen

Katrina Johnson: The Impression Queen (image credits: unsplash)
Katrina Johnson: The Impression Queen (image credits: unsplash)

Katrina Johnson joined “All That” at just 12 years old, dazzling audiences with her spot-on celebrity impressions and comedic chops. Her Mariah Carey and Roseanne Barr impressions were particularly memorable, earning her a reputation as a rising star in sketch comedy. Though Johnson’s career took her in different directions after “All That,” she has remained involved in entertainment, including radio hosting and comedy. She has spoken about how the show taught her professionalism and the importance of versatility. Johnson’s early start in comedy serves as inspiration for young performers everywhere, showing that age is no barrier to making a big impact.

Lisa Foiles: Gamer and Entertainer Extraordinaire

Lisa Foiles: Gamer and Entertainer Extraordinaire (image credits: unsplash)
Lisa Foiles: Gamer and Entertainer Extraordinaire (image credits: unsplash)

Lisa Foiles joined the early-2000s reboot of “All That,” bringing a new energy and style to the show’s evolving cast. Her bright personality and quick wit made her a standout among the new generation of Nickelodeon talent. After her time on “All That,” Foiles became a prominent figure in gaming and entertainment commentary, hosting popular online shows and writing for gaming outlets. She has built a loyal following among fans who appreciate her humor and insider perspective on the industry. Foiles credits her sketch comedy roots for giving her confidence in front of the camera. Her career is a perfect example of how Nickelodeon alumni have adapted to the changing landscape of entertainment.

Leon Frierson: Physical Comedy’s Unsung Hero

Leon Frierson: Physical Comedy’s Unsung Hero (image credits: unsplash)
Leon Frierson: Physical Comedy’s Unsung Hero (image credits: unsplash)

Leon Frierson joined “All That” during its late ’90s seasons, quickly becoming a fan favorite for his goofy characters and physical comedy. His ability to make audiences laugh without saying a word set him apart, and his sketches were highlights of the show’s later years. After leaving Nickelodeon, Frierson continued to pursue entertainment, including music and live performances. He has spoken fondly about his time on “All That,” crediting the show with helping him find his comedic voice. Frierson’s journey is a testament to the enduring influence of sketch comedy and the many paths it can open for young performers.

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