Ford Austin
Jeffrey Dahmer / Ringo
Randal Malone
John Wayne Gacy
Art LaFleur
Dr. Hess
Ethan Phillips
X-13
Harland Williams
God (voice)
Bonnie Aarons
General Arbogast
Irwin Keyes
Dr. Pruitt
Elissa Dowling
Jezebel
Trey Alexander
Hal Anderson
Felissa Rose
Joanie Farana
Alana Curry
Holly Richards
Katie Lohmann
Valerie Winters
Brooke Lewis Bellas
Tammy Hart
Del Howison
Bum
Lee Perkins
Jerald Clarkson
Deron Miller
Charles Manson
Jerry Maren
Mime
Steven Adler
Stevie
Jed Rowen
Sergeant Pollard Rodgers
George Reynolds
Police Chief Bellagio
Anya Benton
Daisy Daniels
Wade Stanton
Richard van Horn
Jamie Carson
Melanie Potter
Colby Veil
Religious Hotline Operator
J. Adam White
Ricky Schmear
David Stay
Rob Phillips
Marc Wasserman
Boz Hasseldorf
Brian Ramian
Jim
Brett Flynn
Larry
Rachel Reynolds
Ninja 1
Simon Star
Ninja 2
Jessica LeCheminant
Ninja 3
Jeito James
Ninja 4
Dasha Ivashin
Ninja 5
Jo-Anne Krupa
Radio Announcer (voice)
James Elden
Bartender
Ross Merrick
Private Harvey Clint
Yulia Zhmutski
Assistant Minski
Chris Hannan
Jason the Pusher
Jesse Ramon
Lab Technician
Aaron Miller
Manson Victim
Chris Watson
DNA Soldier
Joe Yukich
Centurian