Casting

Director

Joseph Sargent

Producer

Stanley Chase

Screenplay

James Bridges

Novel

D.F. Jones

Original Music Composer

Michel Colombier

Director of Photography

Gene Polito

Editor

Folmar Blangsted

Art Direction

Alexander Golitzen, John J. Lloyd

Set Decoration

John McCarthy Jr., Ruby R. Levitt

Costume Design

Edith Head

Makeup Artist

Bud Westmore

Hairstylist

Larry Germain

Eric Braeden
Eric BraedenDr Charles Forbin
Susan Clark
Susan ClarkDr. Cleo Markham
Gordon Pinsent
Gordon PinsentThe President
William Schallert
William SchallertCIA Director Grauber
Georg Stanford Brown
Georg Stanford BrownDr. John F. Fisher
Willard Sage
Willard SageDr. Blake
Alex Rodine
Alex RodineDr. Kuprin
Martin E. Brooks
Martin E. BrooksDr. Jefferson J. Johnson
Marion Ross
Marion RossAngela Fields
Dolph Sweet
Dolph SweetMissile Commander
Byron Morrow
Byron MorrowSecretary of State
?
Lew BrownPeterson
Sid McCoy
Sid McCoySecretary of Defense
James Hong
James HongDr. Chin
Robert Cornthwaite
Robert CornthwaiteFirst Scientist
Tom Basham
Tom BashamThomas L. Harrison
?
Leonid RostoffRussian Chairman
?
Serge TschernischTranslator
?
John DaveyMilitary officer on phone (uncredited)
Paul Frees
Paul FreesColossus (voice) (uncredited)
?
Fred HollidayMilitary Computer Entry - Missile Launch (uncredited)
Robert Quarry
Robert QuarryScientist (uncredited)
Don Ross
Don RossLogan US Air Force (uncredited)
William Traylor
William TraylorParty Guest (uncredited)