Discover
James Caan
Cmdr. Richard Bolton, RNVR
David Sumner
Lt. Davies R.N.V.R
Norman Bowler
Sub-Lt. Pennington, RN
Paul Young
Leading Seaman Quentin
Brian Grellis
CPO Barquist X 3
William Dysart
Lt. Robert Talbot Gogan R.N.R.
John Kelland
Sub-Lt. Keith Willis, RNVR
Kenneth Farrington
CPO Boker Knowles
Carl Rigg
CPO Norman Kennedy
Steve Kirby
Leading Seaman X-2
Nick Tate
Leading Seaman X-1
George Pravda
Capt. Erlich of the 'Lindendorf'
Rupert Davies
Vice Admiral Redmayne (uncredited)
Keith Alexander
Sub. Lt. X-3
Crew
Paul Beeson
Cinematography
Directing
William A. Graham
Director
Production
John C. Champion
Producer
Sound
Ron Goodwin
Music
Writing
John C. Champion
Story
Edmund H. North
Story
Donald S. Sanford
Screenplay
Guy Elmes
Screenplay
Crew
Paul Beeson
Cinematography
Directing
William A. Graham
Director
Production
John C. Champion
Producer
Sound
Ron Goodwin
Music
Writing
John C. Champion
Story
Edmund H. North
Story
Donald S. Sanford
Screenplay
Guy Elmes
Screenplay