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