Guy Rolfe

Capt. Alwin Maitland

Ronald Shiner

Marine Ogg

Michael Hordern

Admiral Reginald Victor Hewitt

Anne Kimbell

Mary Carlton

Nadine Tallier

Antoinette

Fabia Drake

Lady Kitty Hewitt

Mary Steele

Jill Eaton

Richard Coleman

Capt. Robert 'Bobby' Randall

Lionel Jeffries

Harry, the Tourist

Teddy Johnson

Singer

Daniel Massey

Flag Lt. Courtney

Daniel Massey

Cpl. Duckett

Warren Mitchell

Arthur

Michael Ripper

Marine Jumper

Mercy Haystead

Claudine

Brian Wilde

Bill

Harold Goodwin

Wal

David Aylmer

Navigating Officer

Richard Briers

'Popeye' Lewis

Marie Devereux

(uncredited)

Ian Holm

Marine (uncredited)