Capt. Alwin Maitland
Guy Rolfe
Marine Ogg
Ronald Shiner
Flag Lt. Courtney
Daniel Massey
Cpl. Duckett
Arthur
Warren Mitchell
Marine Jumper
Michael Ripper
Claudine
Mercy Haystead
Bill
Brian Wilde
Wal
Harold Goodwin
Navigating Officer
David Aylmer
'Popeye' Lewis
Richard Briers
(uncredited)
Marie Devereux
Admiral Reginald Victor Hewitt
Michael Hordern
Marine (uncredited)
Ian Holm
Mary Carlton
Anne Kimbell
Antoinette
Nadine Tallier
Lady Kitty Hewitt
Fabia Drake
Jill Eaton
Mary Steele
Capt. Robert 'Bobby' Randall
Richard Coleman
Harry, the Tourist
Lionel Jeffries
Singer
Teddy Johnson
Director of Photography
Erwin Hillier
Editor
Edward B. Jarvis
Producer
Vaughan N. Dean
Music
Laurie Johnson
Gilbert Gunn
Art Direction
Peter Glazier
Director
Theatre Play
Stephen King-Hall
Ian Hay
Writer
T.J. Morrison
Additional Dialogue