Cast
Jerry Paris
Defense Lieutenant
Frank Maxwell
Tirdell (uncredited)
Robert Crawford Jr.
Fred Demara Jr. (as Robert Crawford)
Ward Ramsey
Lieutenant Commander Howard - HMCS Cayuga
Bob Hastings
State Department Official (uncredited)
Dale Ishimoto
Korean Soldier (uncredited)
Bing Russell
Morgan (uncredited)
Sue Ane Langdon
Eulalie Chandler
Doodles Weaver
Farmer Hauling Fertilizer
Charles Cane
Sheriff (uncredited)
Gary Merrill
Pa Demara
Raymond Massey
Abbott Donner
Cindi Wood
WAC Lieutenant
Dick Sargent
Hotchkiss
Willard Sage
Lt. Thornton
Bob Herron
Highway Patrol Officer (uncredited)
Harry Carey Jr.
Dr. Joseph Mornay
Tony Curtis
Ferdinand Waldo Demara Jr. / Martin Donner / Dr. Gilbert / Ben. W. Stone / Dr. Joseph Mornay / Robert Boyd Hammnd
Arthur O'Connell
Warden J.B. Chandler
Joan Blackman
Lt. Catherine Lacey
Mike Kellin
Clifford Thompson
Frank Gorshin
Barney
Philip Ahn
Capt. Hun Kim
Gage Clarke
Mr. Warren (uncredited)
Robert Middleton
R.C. Brown
Russ Conway
Sgt. Wilkerson (uncredited)
Herbert Lytton
Reporter (uncredited)
Ted Knight
Reporter (uncredited)
Richard Gaines
State Official (uncredited)
John Cliff
Marine Major (uncredited)
Don Ross
Sergeant (uncredited)
Warren Vanders
Minor Role (uncredited)
Karl Malden
Father Devlin
Edmond O'Brien
Capt. Glover - HMCS Cayuga
Jeanette Nolan
Ma Demara
Larry Gates
Cardinal
David White
Dr. Hammond
Herbert Rudley
Senior Officer