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