Brigadier Gubbins 'M'
Carl Yankowski
Ned Irish
Nathan Jasmine
Professor Ruckus Mandulbaum
Roger Towers
Jacques
Halpren Nolan
Bishop Gyles
Professor Gelson
D.W. Griffith
Alex Pankhurst
Andy Warhol
Dr. Richard Sommers
Frank Harper
Jim Huxley
Gary Jones
Rock (voice)
Jake Simon
John Broman
David Mills
Principal Donato
Lawrence O'Neill
John P. Jones (voice)
John
Joshua
Brooks
Joseph Stevens
Kersey
Orin / Arthur Curry / Aquaman (voice)
E. Pierce Marshall
Brady Olinson
The Meter Man
Sir Thaddeus
Miller
Bobby Wobbly
Rafferty Dickinson
Stan's Doctor
Jeff Mathews
Pilot (voice)
Henry Detmer
Dr. Stephen Metzner
Barry Fitzgerald
Dr. Lawrence Gordon
Dr. Clement
Ethan Belfrage
Portly Gentleman / Dick Wilkins / Fiddler / Business Man (voice)
Capt. Kenneth Shine
Self (archive footage)
Erik
Arnold
Norman
Mark Haskett / Chris Dalness
Dr. Lawrence Gordon (archive sound) (uncredited)
Reigert
Dr. Magnuson
Dr. Lawrence Gordon
Ted Bundy
King Edgar
Albert Bodine
Burke
Carter
Mac "Macbeth" Wilson
Thomas Ince
Dr. Fritz Hippler
Fritz Arno Wagner
John Houseman
Garrett (voice)
Lt. Col. James Burton
Det. Nick Ruskin
Jerry
Lt. David Ferris
Dr. Jonas Miller
Captain William Boone
Steve Horsegroovy
Robin Hood
Nick Eliot
Lord Arthur Holmwood
Dobbs
Kent Gregory
Russ Wheeler
Maj. Cabot Forbes
Tow Truck Driver (uncredited)
Westley
Ganin
Guilford Dudley
Josef
Lionel
James Harcourt
Disco Dancer
Kingsley Amis
Eric Winwood
