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