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