character - Sam Slade (archive footage)

character - Dr. Heywood R. Floyd (archive footage) (uncredited)

character - Self (archive footage)

character - TV Commentator Howard

character - Lt. General Preston Myers

character - Nuclear Reporter

character - Joe Crawford

character - Leonard Driscoll

character - Leonard Driscoll

character - Luftwaffe Colonel

character - Ellis

character - Mr. Weldman

character - Frederick Collins

character - Admiral Prescott

character - Tom Henderson

character - Peter Hayden

character - Dr. Stahl

character - Paul Harrison

character - Brad York

character - Paul Berwick

character - Burt Hickey

character - Paul Carver

character - Trumpeter

character - Dr. Heywood Floyd

character - Jack Simmons

character - Lafe Croswell

character - Tom Barber

character - Paul Baxter

character - Mark English

character - Gordon Lonsdale

character - Paul Gregory

character - Vince Warren

character - Foots Fortunati

character - Ralph Damien

character - Rick Hogan

character - Sam Slade

character - Layton / Steve Ross

character - Hermann

character - John Kevin

character - Alec Douglas

character - Dave Forrester

character - Philip Vickers

character - Jim Barnes

character - Texas

character - Jimmy

character - Mac

character - Len Turner

character - American Soldier (uncredited)

character - Giovanni