Kenneth More
— Lt. Cmdr. Robert Badger
Lloyd Nolan
— Vice Admiral Ryan
Joan O'Brien
— Lt. Carol Blair
Derek Fowlds
— Carson
John Le Mesurier
— George Dewberry Sr.
Brian Wilde
— Petty Officer Gilors
Warren Mitchell
— 'Honest' Marcel
Wanda Ventham
— Dartmouth Girl
Sidney James
— Dance Instructor
Миша Ауэр
— Colonel & President
Paul Maxwell
— Commander Spelling U.S.N.
Nicholas Stuart
— Captain Hurley U.S.N.
Sean Kelly
— Simpson
Alexis Kanner
— Garrett
Robin Hawdon
— Williams
John Barrard
— Consul
Esma Cannon
— Consul's Wife
Kenneth Griffith
— Orator
Marie France Dousset
— Françoise
Michael Kilgarriff
— Claude
Robert Nichols
— Bill
Neil McCarthy
— Sergeant
Tutte Lemkow
— Corporal
Lally Bowers
— Mrs. Dewberry
Laurence Naismith
— Admiral Blake
Andrew Cruickshank
— Admiral Filmer
Walter Fitzgerald
— Admiral Thomas
Ronald Leigh-Hunt
— Commander R.N.
Arthur Lovegrove
— C.P.O. Froud
Jeremy Lloyd
— The Midshipman/Dewberry