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

Lisa Hammer

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

Dana Snyder

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

Charles Parnell

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

Mia Barron

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

Nathan Fillion

Brown Widow (voice)

Paul Boocock

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