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