Director
William A. Graham
DIRECTOR
Stars (in credits order)
James Caan
Commander Bolton
David Sumner
Lt. Davies R.N.V.R
Norman Bowler
Sub. Lt. Pennington
Brian Grellis
C.P.O. Barquist
Paul Young
Leading Seaman Quentin
William Dysart
Lt. Gogan R.N.R.
John Kelland
Sub. Lt. Willis R.N.V.R.
Kenneth Farrington
C.P.O. Boker Knowles
Keith Alexander
Sub. Lt. X-3
Carl Rigg
C.P.O. Kennedy
Steve Kirby
Leading Seaman X-2
Nick Tate
Leading Seaman X-1
George Pravda
Captain Erlich
Diana Beevers
WRNS Officeruncredited
Rupert Davies
Vice-Adm. Redmayneuncredited
Paul Hansard
Cmdr. Steineruncredited
Hans De Vries
German Lieutenantuncredited
Desmond Jordan
Naval Doctoruncredited
Dennis Mayers
Sub-Lieutenant on X-1uncredited
Doug Robinson
Seaman in Self-defence Demonstrationuncredited
George Roubicek
Redmayne's Flag Officeruncredited
Richard Steele
Captain in Redmayne's Officeuncredited