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