Générique complet
Le Raid suicide du sous-marin X1
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
Diana Beevers
WRNS Officer (uncredited)
Paul Hansard
Cmdr. Steiner (uncredited)
Luke Hanson
German Lieutenant (uncredited)
Desmond Jordan
Naval Doctor (uncredited)
Dennis Mayers
Sub-Lieutenant on X-1 (uncredited)
Doug Robinson
Seaman in Self-defence Demonstration (uncredited)
George Roubicek
Redmayne's Flag Officer (uncredited)
Richard Steele
Captain in Redmayne's Office (uncredited)
Réalisation
Scénario
John C. Champion
Histoire
Edmund H. North
Histoire
Donald S. Sanford
Scénario
Guy Elmes
Scénario