Voice acting is probably the greatest job in the world. Great hours, acting without the annoying “celebrity”, and the variety of roles you play is only limited by the amount of voices you can do. The upcoming documentary I Know That Voice explores the world of voice acting, talking to some of the biggest names in the industry.

In advance of its VOD release on January 7, 2014, we’ve got an exclusive clip of Kevin Conroy discussing his voice work as Batman. You may not recognize his face, but you will certainly recognize his voice. Watch the clip below:

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Official Synopsis:

John Di Maggio, Tommy Reid and Lawrence Shapiro’s combined chemistry and strengths came together to form the groundbreaking “I Know That Voice” documentary. Stated by Tommy as “a true labor of love,” the film took two years to make, collected extensive interviews and compiled never-before-seen footage making “I Know That Voice” truly one-of-a-kind of its subject matter. Emmy-nominated and Annie award winner John Di Maggio is known for his iconic role as “Bender” in Futurama and “Jake the Dog” in Adventure Time, as well as his roles in The Penguins of Madagascar, Gears of War, Kim Possible and more. Tommy Reid is a renowned producer of films including Kill The Irishman, Americans, Superthief: Inside America’s Biggest Bank Score, Danny Greene: The Rise & Fall of the Irishman and Strike. “I Know That Voice” Director Lawrence Shapiro directed films including Jam in the Dam, Los Lobos, Kiko Live, The Marshall Tucker Band: Carolina Dreams Tour and Blue Cheer: Rocks Europe.

Follow the documentary on Instagram @iknowthatvoicemovie and #iknowthatvoice.