[1][better source needed] Dellums had minor appearances in several Spike Lee films early in his career, such as She's Gotta Have It (1986) and Do the Right Thing (1989).
He was portrayed (as a child) by Travis Kyle Davis in a Disney Channel Original Movie entitled The Color of Friendship (2000), which was based on what happened when his family hosted a foreign exchange student from South Africa during the Apartheid era; Dellums had a cameo role as himself.
He provided the voice of the character Koh the Face Stealer in the animated Nickelodeon series Avatar: The Last Airbender, as well as the narration for Key Constitutional Concepts, a documentary produced in 2006 by the Annenberg Foundation.
Dellums also reprised the role of Three Dog in the YouTube lore series by ShoddyCast, and he also performs the voice for Prince/Emperor Arcann in the game Star Wars: The Old Republic expansion Knights of the Fallen Empire and its sequel expansions Knights of the Eternal Throne and Onslaught.
Dellums political and social writings on his personal blog gained notice in 2011, and his criticisms of the presidency of Barack Obama earned him guest appearances on Fox News.