Name	Known for
James Urbaniak Dr. Venture (voice) Dr. Venture (voice) See fewer	Oppenheimer (I) (2023)
Patrick Warburton Brock Samson (voice) Brock Samson (voice) See fewer	The Emperor's New Groove (2000)
Michael Sinterniklaas Dean Venture / Additional Voices Dean Venture / Additional Voices See fewer	Your Name. (2016)
Christopher McCulloch Hank Venture / The Monarch / Tim-Tom Moppet / Sgt. Hatred / Pirate Captain / … See more Hank Venture / The Monarch / Tim-Tom Moppet / Sgt. Hatred / Pirate Captain / Dr. Z / Additional Voices See fewer	The Venture Bros. (2003)
Doc Hammer Dr. Mrs. The Monarch / Billy Quizboy / Dermott Fictel / Kevin Moppet (voice) Dr. Mrs. The Monarch / Billy Quizboy / Dermott Fictel / Kevin Moppet (voice) See fewer	The Venture Bros. (2003)
Steven Rattazzi Dr. Opheus (voice) Dr. Opheus (voice) See fewer	The Venture Bros. (2003)
Dana Snyder The Alchemist (voice) The Alchemist (voice) See fewer	Aqua Teen Hunger Force Colon Movie Film for Theaters (2007)
Charles Parnell Jefferson Twilight (voice) Jefferson Twilight (voice) See fewer	Top Gun: Maverick (2022)
Lisa Hammer Triana Orpheus (voice) Triana Orpheus (voice) See fewer	The Venture Bros. (2003)
Brendon Small Action Johnny (voice) Action Johnny (voice) See fewer	Home Movies (1999)
Sheb Wooley Screamer from Below / Hit Soldier (archive sound) (uncredited) Screamer from Below / Hit Soldier (archive sound) (uncredited) See fewer	Rawhide (1959)