I Know That Voice is a documentary about American voice acting. It premiered on November 6, 2013, at Grauman's Egyptian Theatre. It is narrated by John DiMaggio, the voice of Bender on Futurama and Jake on Adventure Time, and stars DiMaggio and many other voice actors, including Billy West, Tara Strong, Tom Kenny, Grey DeLisle, June Foray, Rachael MacFarlane, Mark Hamill, Ed Asner, Robin Atkin Downes, and Pamela Adlon.
|Phil LaMarr||Himself (as Phil Lamarr)|
|Pamela Adlon||Herself (as Pamela Segall Adlon)|
|Edward Asner||Himself (as Ed Asner) / Himself|