
Robert Irby Clarke (June 1, 1920 – June 11, 2005) was an actor best known for his cult classic science fiction films of the 1950s.
Jack Harper
Jerry Franklin
Actor
John Ragsdale
Jason Parnell
John Herman
Stuart Noland
Tom Bennett
Ed Ligh
Dan Johnson
Howard Kramer
Phil Kenton
Leo Marks
Henry Walden
Ned Anderson
Captain Graves
Arthur
Adam Conway
Dan Booker
D'Artagnan
Doug Trimble
John Miles
Joe Wheaton
Orrie Cooper
Narrator (voice)
Paul Chandler
Harry Willis
Admiral Frank Grayson
Danny
Bartender (uncredited)
Rolfe
Mr. Fuller
Clayton Filmore
Bob - Orchestra Leader (uncredited)
Wimp (uncredited)
Ralph Mattson
Perc Saunders - Assistant Director
Narrator / Prisoner Rosenbaum (uncredited)
Robert Dantes
Gordon McKay
Tommy North
Fred
Hooker
Jay Collinshaw
Outlaw Leader
Paul Jarrad
John Lawrence
Jerry Taylor
Fred (archive footage)
Dr. Gilbert McKenna
Dick Cutler
The Doctor
George
Ishmael Pivnik
Harvey
Craig Randall
Richardson - Medical Student (uncredited)
Helmsman
Minister
Soldier (uncredited)
Fred Palmer
Sheriff John Kester Jr.
Maxwell Carter (private eye)
Marine Corporal
Charlie
Dave
Dr. Hadley
Manuel Azaga
Self (archive footage)
Reporter (uncredited)
Fred (Police Analyst) (uncredited)
Dr. Louis Bauier (uncredited)
TV Reporter #1
Col Carlyle
Jim Owens
Major William Allison
Robin Hood
Dan (uncredited)
Bus Driver (uncredited)
John Andrews
Dad
Adam Roberts
Lund
Joe Emmanuel
Narrator
David Lambert
Party Guest (uncredited)
Reporter (uncredited)
Self
Captain Girard
Rob
Bernard Tipton
Major Allison
Steve Duval
Bob Johnson
Actor in Movie at Drive-In
Jonesy, Bamboo Blonde Crewman (uncredited)
Harry Stockton
Ash Preston
Pharmacist
Jack Green
Lee Jorth
Dr. Carlton
Robert Errol
Self