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