Name	Known for
James Urbaniak Dr. Venture / Dr. Jonas Venture Jr. (voice) Dr. Venture / Dr. Jonas Venture Jr. (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 (voice) Dean Venture (voice) See fewer	Your Name. (2016)
Christopher McCulloch Hank Venture / Dr. Henry Killinger / General Manhowers / Pete White / Additional Voices (voice) Hank Venture / Dr. Henry Killinger / General Manhowers / Pete White / Additional Voices (voice) See fewer	The Venture Bros. (2003)
Doc Hammer Billy Quizboy (voice) Billy Quizboy (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)
Paul Boocock Jonas Venture Sr. / Additional Voices (voice) Jonas Venture Sr. / Additional Voices (voice) See fewer	The Venture Bros. (2003)
Lisa Hammer Triana Orpheus (voice) Triana Orpheus (voice) See fewer	The Venture Bros. (2003)
Soul-Bot H.E.L.P.eR. (as Soulbot) H.E.L.P.eR. (as Soulbot) See fewer	The Venture Bros. (2003)
Brendon Small Jonny Quest (voice) (uncredited) Jonny Quest (voice) (uncredited) See fewer	Home Movies (1999)