Kyle Sullivan is a former child actor, known for appearing on the Nickelodeon TV series All That and the Fox sitcom The War at Home.
He has also lent his voice to the characters Danny O'Farrell and Everitt Konquist on the Disney animated series Fillmore!
He has guest starred on television programs such as The Secret World of Alex Mack, Seinfeld, The Amanda Show, NewsRadio, Chicago Hope, Mad About You, ER, Scrubs, and Max Keeble's Big Move.
After retiring from acting, Sullivan moved to New York attending Columbia University, studying psychology and earning a Bachelor of Arts (B.A.)
[2] In the 2024 documentary Quiet on Set: The Dark Side of Kids TV, Sullivan reported that while at a barbecue party hosted by Brian Peck he discovered a painting of a clown holding balloons that Peck claimed to be done by serial killer John Wayne Gacy.