James Urbaniak Dr. Rusty Venture 91 Episodes (2004-2019)
Patrick Warburton Brock Samson 91 Episodes (2004-2019)
Christopher McCulloch Hank Venture/Sgt. Hatred/The Monarch 91 Episodes (2004-2019)
Michael Sinterniklaas Dean Venture 91 Episodes (2004-2019)
Doc Hammer Dr. Mrs. the Monarch/Henchman 21 91 Episodes (2004-2019)
Bill Hader Professor Impossible 3 Episodes (2010-2010)
T. Ryder Smith Baron Underbheit 2 Episodes (2010-2010)
Seth Green Lance Hale 1 Episode (2009)
Nathan Fillion Brown Widow 1 Episode (2010)
Patton Oswalt Wonderboy 1 Episode (2009)
John Hodgman Dale Hale 1 Episode (2009)
Brendon Small Action Johnny 1 Episode (2009)
Dana Snyder The Alchemist 1 Episode (2010)
Kate McKinnon Nikki Fictel/Mrs. Fictel 1 Episode (2010)
Mia Barron Ladyhawk Johnson 1 Episode (2010)
Paul Boocock Jonas Venture Sr. 1 Episode (2010)
J. G. Thirlwell 99 Episodes (2004-2019)
Christopher McCulloch 91 Episodes (2004-2019)
Christopher McCulloch 91 Episodes (2004-2019)
Doc Hammer 91 Episodes (2004-2019)
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