The Venture Bros.

Doc Hammer
Dr. Girlfriend / Henchman 21 (voice)

Patrick Warburton
Brock Samson (voice)

James Urbaniak
Dr. Venture (voice)

Michael Sinterniklaas
Dean Venture (voice)

Steven Rattazzi
Dr. Orpheus (voice)

Cristin Milioti
Sirena (voice) / Mrs. Wandering Spider (voice) / Millinery Ghosts (voice) / Rece...

Paul Boocock
Dr. Jonas Venture (voice) / Dr. Jonas Venture / Additional Voices (voice) / Tige...

Brendon Small
Action Johnny (voice) / Swifty / Hector / Crime-o-dile Henchman / White Noise (v...

Dana Snyder
The Alchemist (voice) / President Breyer (voice)

Charles Parnell
Jefferson Twilight (voice) / Mandalay (voice)

Bill Hader
Professor Impossible / Phage (voice) / Professor Impossible (voice) / Professor ...

Toby Huss
General Treister (voice) / Scaramantula (voice)

H. Jon Benjamin
The Master (voice)

Stephen Colbert
Professor Impossible (voice)

Kevin Conroy
Captain Sunshine (voice)

Misha Collins
Prisoner 2 / Maestro Wave (voice)

Patton Oswalt
Wonderboy (voice)

Nathan Fillion
Brown Widow (voice)

Seth Green
Lance Hale / Mrs. Z (voice)

Steve Park
Mike Sorayama (voice)