About the film
I Know That Voice is an American documentary film about English-language voice acting. It premiered on November 6, 2013, at Grauman's Egyptian Theatre. The documentary was 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, Rob Paulsen, Rachael MacFarlane, Mark Hamill, Ed Asner, Robin Atkin Downes, and Pamela Adlon.
From the film's Wikipedia article (CC BY-SA 4.0).