Jones Three Echo
Todd Lansing
Jeff Barnes
Copy boy
Randy
Mr. Foxx
Preacher
Nelson
Marty
Businessman
Mr. Gorn
Dave
Holodock Nightclub Maitre d' (uncredited)
X-13
Coroner B. Jones
Basil Valentine
Mitch Gorfein
Murdered Man
Self
Donny
Himself
Gynecologist
Dad / Troll
Mr. Rosenberg
Jill's Father
Professor
Jerry
Mr. Gorsky
Chief Couper
Data Clerk
Mr. Wilson
Joe Alsop
Mark Wessler
Henry
Smedly
Roy
Toa (voice)
Dr. Elcourt
Billy's Dad
Cozmo
Frank
Neelix
Boss
Craig
Mayor Winston
Agent Larry Cornbloom
Roger Merman
Bartender at Parker's on Fifth
Mr. Miles
Hospital Steward
Randy Jenkins / Professor Apocalypse
Guard at Family House
Mark Hauser
Ulis
James Farnham
Chairman
Dr. Adelman
Dr. Farek
Dr. Sam Waibel
Finch
Pete Downey
The Doctor
Jerry Lincoln
Doyle
Daniel Hill
Military Officer
Michael Schiller
Eddie Armondo
Woodley
Dan Marken
Paul
Stanley Craig
John J. Murray
Newsome Kirk
Judge Benedict Munninger
Marvin Pick
Dwight
Mr. Wallace
State Department Man
Spike Martin
Dr. Morris Weiner
Wally Kniver