Patrick McGoohan
David Jones
Jim Brown
Capt. Leslie Anders
Ernest Borgnine
Boris Vaslov
Buddy Joe Hooker
Hill
William O'Connell
Survivor
Ron Masak
Paul Zabrinczski
Rock Hudson
Cdr. James Ferraday
Lloyd Nolan
Admiral Garvey
Michael T. Mikler
Lt. Courtney Cartwright
Ty Haller
Pvt. Grey (uncredited)
Tony Bill
Lt. Russell Walker
Ted Hartley
Lt. Jonathan Hansen
James Jeter
2nd Barman (uncredited)
William Byron Hillman
Philip Munsey
Jed Allan
Peter Costigan
Elliott Sullivan
Bartender (uncredited)
Sherwood Price
Lt. Edgar Hackett
Gerald S. O'Loughlin
Lt. Cdr. Bob Raeburn
Joseph Bernard
Dr. Jack Benning
Lloyd Haynes
Webson
Murray Rose
Lt. George Mills
Alf Kjellin
Col. Ostrovsky
Ronnie Rondell Jr.
Lyle Nichols
Buddy Garion
Edward Rawlins
Louie Elias
Maneuver Sergeant (uncredited)
Jonathan Goldsmith
Russian Aide
John Orchard
Survivor
Jim Goodwin
Survivor
Budd Albright
Seaman with torpedo accident (uncredited)
John Breen
Bar Patron (uncredited)
Don Newsome
Timothy Hirsch
Boyd Berlind
Bruce Kentner
David Wendel
Cedric Patterson
T. J. Escott
Lt. Carl Mingus
Larry Strong
Wardroom Attendent (uncredited)