Guy Rolfe
Capt. Alwin Maitland
Acting
Ronald Shiner
Marine Ogg
Acting
Michael Hordern
Admiral Reginald Victor Hewitt
Acting
Anne Kimbell
Mary Carlton
Acting
Nadine Tallier
Antoinette
Acting
Fabia Drake
Lady Kitty Hewitt
Acting
Mary Steele
Jill Eaton
Acting
Richard Coleman
Capt. Robert 'Bobby' Randall
Acting
Lionel Jeffries
Harry, the Tourist
Acting
Teddy Johnson
Singer
Acting
Daniel Massey
Flag Lt. Courtney
Acting
Daniel Massey
Cpl. Duckett
Acting
Warren Mitchell
Arthur
Acting
Michael Ripper
Marine Jumper
Acting
Mercy Haystead
Claudine
Acting
Brian Wilde
Bill
Acting
Harold Goodwin
Wal
Acting
David Aylmer
Navigating Officer
Acting
Richard Briers
'Popeye' Lewis
Acting
Marie Devereux
(uncredited)
Acting
Ian Holm
Marine (uncredited)
Acting