Cast
Walter Fitzgerald
Admiral Thomas
Graham Crowden
Naval Officer (uncredited)
John Le Mesurier
George Dewberry Sr.
Tutte Lemkow
Corporal
Dirk Bogarde
Dr. Simon Sparrow (uncredited)
Richard Vernon
Government Official at Enquiry (uncredited)
David Warner
Sailor Painting Ship (uncredited)
Brian Wilde
Petty Officer Gilors
Michael Bentine
Psychologist
Kenneth More
Lt. Cmdr. Robert Badger
Laurence Naismith
Admiral Blake
Ronald Leigh-Hunt
Commander R.N.
Andrew Sachs
Short-Changed US Seaman
Wanda Ventham
Dartmouth Girl
Andrew Cruickshank
Admiral Filmer
Dinsdale Landen
The Midshipman/Bowles
John Phillips
Rear Admiral
Lloyd Nolan
Vice Admiral Ryan
Mischa Auer
Colonel & President
Esma Cannon
Consul's Wife
Jeremy Lloyd
The Midshipman/Dewberry
Joan O'Brien
Lt. Carol Blair
Paul Maxwell
Commander Spelling U.S.N.
Kenneth Griffith
Orator
Neil McCarthy
Sergeant
Warren Mitchell
'Honest' Marcel
Alexis Kanner
Garrett
Robin Hawdon
Williams
Rodney Bewes
Recruitment Interviewee (uncredited)
Guy Standeven
American Naval Officer (uncredited)
Derek Fowlds
Carson
Sidney James
Dance Instructor
Robert Nichols
Bill