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