Captain Crawford
Alec Guinness
Lieut. Scott-Padget
Dirk Bogarde
Wagstaffe
Murray Melvin
Dawlish
Victor Maddern
Harvey Crawford
David Robinson
Sgt Kneebone
Bryan Pringle
Wheatley
Johnny Briggs
Silly Billy
Toke Townley
Morrison
Declan Mulholland
Johnson
Peter Greenspan
Grimshaw
Brian Phelan
Admiral Jackson
Walter Fitzgerald
Vizard
Anthony Quayle
Mrs Crawford
Joy Shelton
Tavern Leader
Anthony Oliver
Flag Captain
Russell Napier
Flag Lieutenant
Michael Coles
Col. Giraud
André Maranne
Marine Captain (uncredited)
Del Baker
Crewman (uncredited)
Joe Beckett
Midshipman (uncredited)
James Bolam
Bosun (uncredited)
Tom Bowman
Press Gang (uncredited)
Jim Brady
Mr. Goss (Ship's Surgeon)
Maurice Denham
Vic Chapman
Maxwell Craig
Purser (uncredited)
Dick Gregory
Patrick Halpin
Pressed Crewman (uncredited)
Walter Henry
Young Wife of Pressed Crewman (uncredited)
Ann Lynn
Sailor (uncredited)
Alf Mangan
French Captain (uncredited)
Endre Muller
Roger Mutton
Pirate (uncredited)
Emilio Scala
Senior Midshipman Kilpatrick
Nigel Stock
Arnold Schulkes
Venetian Captain (uncredited)
James Sharkey
Girl in Inn (uncredited)
Vera Tilsley
Flagship Sailor (uncredited)
Harry Webster
French Sailor (uncredited)
Fred Wood
Evans
Tom Bell
Lieut. Posonby
Richard Carpenter
Lieut. D'Arblay
Peter Gill
Hayes
Ray Brooks
Pardoe
Robin Stewart
Screenplay
Nigel Kneale
Editor
Peter R. Hunt
Director
Lewis Gilbert
Edmund H. North
Novel
Frank Tilsley
Producer
John Brabourne
Associate Producer
Douglas Peirce
Music
Clifton Parker
Director of Photography
Christopher Challis
Property Buyer
Percy Godbold
Boom Operator
Ken Ritchie