George Dressler
General Sharman
Dr. August Claiborne
Jersey Callum
General Stone
Victor Handler
Governor Neilson
Dr. Michael Rossi
George Dobbs
President Harry S. Truman
Mike Danvers
Joseph Locordolos
Mark Kane
Philip Mulwray
Dr. Mike Wise
Mr. Clarkson
George Beldridge
Dr. Michael Rossi
Chandler Dietrich
Admiral Harry Pearson
Ray Hollister
Robert Denby
Carlton James
Major John Alexander
Gene Kranz, Flight Director
Paul Reston
Nick Staffo
Warren Cole
Carl Nesbitt
Paul Hamilton
Dr. Martin Becker
Cole Marteen
James Priest
Captain at Nightclub Announcing Call-up of Officers (uncredited)
Nick Richards / Pete Jensen
Dino Michaelis
Art Lacroix
Alex Hendricks
Norm Britt
Dr. Paul Kettering
Rick Connor
Dave Randall
Guard (uncredited)
Blonde Tribe Member
Police Officer 'Dutch' / Blind Man
Cannon
Etienne (as Edwin Nelson)
Ensign Quinlan
Police Sergeant
Charlie
