Rock Hudson character Cdr. James Ferraday
Ernest Borgnine character Boris Vaslov
Patrick McGoohan character David Jones
Jim Brown character Capt. Leslie Anders
Tony Bill character Lt. Russell Walker
Alf Kjellin character Col. Ostrovsky
Gerald S. O'Loughlin character Lt. Cdr. Bob Raeburn
Ted Hartley character Lt. Jonathan Hansen
Murray Rose character Lt. George Mills
Michael T. Mikler character Lt. Courtney Cartwright
Joseph Bernard character Dr. Jack Benning
Jonathan Goldsmith character Russian Aide
Sherwood Price character Lt. Edgar Hackett
Lee Stanley character Lt. Mitgang
John Orchard character Survivor
Jim Dixon character Earl MacAuliffe
Ron Masak character Paul Zabrinczski
Boyd Berlind character Bruce Kentner
Craig Shreeve character Gafferty
Wade Graham character Parker
David Wendel character Cedric Patterson
Ronnie Rondell Jr. character Lyle Nichols
Ted Kristian character Wassmeyer
Lloyd Haynes character Webson
Michael Grossman character Kohler
Buddy Garion character Edward Rawlins
Don Newsome character Timothy Hirsch
Robert Carlson character Kelvaney
William O'Connell character Survivor
Michael Rougas character Fannovich
Gary Downey character Lorrison
T. J. Escott character Lt. Carl Mingus
Jed Allan character Peter Costigan
Buddy Joe Hooker character Hill
Lloyd Nolan character Admiral Garvey
Jim Goodwin character Survivor
William Byron Hillman character Philip Munsey
Dennis Alpert character Gambetta
