Diedrich Bader has lent his voice to four different Batman cartoons as both heroes and villains: Batman Beyond, The Zeta Project, The Batman and now as the star of Batman: The Brave and the Bold, where he voices the Dark Knight himself.

Having a deep and easily recognizable voice, Bader is a natural choice for a voice actor and has had roles in such animated features as Ice Age, The Simpsons, Surf's Up, Buzz Lightyear of Star Command and The Grim Adventures of Billy and Mandy. He has lent his voice to a number of television series, including The Simpsons, King of the Hill and Hercules.

Bader has also appeared on popular television series such as CSI: Crime Scene Investigation, Monk, Shark, The Drew Carey Show, Frasier, The Fresh Prince of Bel-Air, Star Trek: The Next Generation, Quantum Leap, Cheers, 7th Heaven and Danger Theatre.

Known for his comedic timing and imposing presence, Bader has appeared in numerous films, such as Napoleon Dynamite, Balls of Fury, Jay and Silent Bob Strike Back, Office Space, Miss Congeniality 2 and Bram Stoker's Dracula.