The Venture Bros.

Doc Hammer

Dr. Girlfriend / Henchman 21 (voice)

Christopher McCulloch

Hank Venture / The Monarch (voice)

Patrick Warburton

Brock Samson (voice)

James Urbaniak

Dr. Venture (voice)

Michael Sinterniklaas

Dean Venture (voice)

Steven Rattazzi

Dr. Orpheus (voice), Haranguetan (voice), Dr. Byron Orpheus / Vincenzo (voice), Vincenzo (voice)

Paul Boocock

Dr. Jonas Venture (voice), Jonas Venture Sr. (voice), Dr. Jonas Venture / Additional Voices (voice), Highway Cop / Scared Straight Kid 1 (voice), Jonas Venture Sr. / University President / Homeless Vet (voice), Tigerriffic / Therapist / Prison Guard 2 (voice), Dr. Jonas Venture / More Pirates (voice), Sonnystein / Gill-Man (voice), Jonas Venture Sr. / Security Guard 2 (voice), Sonny / Interpreter / Little Jorgé (voice), Sandow (voice), Jonas Venture Sr. / Laugh Riot (voice), Dr. Jonas Venture / OCLF Leader (voice), Jonas Venture Sr. / Additional Voices (voice), Jonas Venture Sr. / Psychiatrist (voice), Priest 1 / Jonas Venture (voice), Jonas Venture Sr. / Sandow / Samuel Clemens (voice), Fighter Pilot / O.S.I. Instructor (voice)

Lisa Hammer

Triana Orpheus (voice), Jeanie (Mrs. Tom) (voice), Princess Tinglepants (voice), Jeanie / Leslie Cohen / Lesliebots (voice)

Dana Snyder

The Alchemist (voice), President Breyer (voice), Dog-Man (voice), The Alchemist / Mister Sample (voice), The Alchemist / Bonibozo Tribesmen (voice), The Alchemist / Parade Announcer 2 (voice)

Mia Barron

Molotov Cocktease (voice), Sally Impossible (voice), Girl Hitler (voice), Sally Impossible / Jonas Jr.'s Ibezan Houseguest (voice), Molotov Cocktease / Island Girl (voice), Ladyhawk Johnson (voice), Molotov Cocktease / Debbie (voice)

Charles Parnell

Jefferson Twilight (voice), Mister 1 (voice), Mandalay (voice)

Brendon Small

Action Johnny (voice), Swifty / Hector / Crime-o-dile Henchman / White Noise (voice), Sgt. Hatred (voice), Plastic Surgeon (voice), Action Johnny / Blind Rage (voice), Resistance 1 (voice), Hector / Swifty / Whale Lice Henchman 1 (voice), Dr. Vulcano / Master Yourname (voice), Agent Hauser (voice), Jonny Quest (voice), Surgeon / OSI Scientist / SPHINX Agent 1 (voice)