Alec Guinness as Captain Crawford

Dirk Bogarde as Lieut. Scott-Padget

Anthony Quayle as Vizard

Maurice Denham as Mr. Goss (Ship's Surgeon)

Nigel Stock as Senior Midshipman Kilpatrick

Tom Bell as Evans

Richard Carpenter as Lieut. Posonby

Peter Gill as Lieut. D'Arblay

Ray Brooks as Hayes

Robin Stewart as Pardoe

Murray Melvin as Wagstaffe

Victor Maddern as Dawlish

David Robinson as Harvey Crawford

Bryan Pringle as Sgt Kneebone

Johnny Briggs as Wheatley

Toke Townley as Silly Billy

Declan Mulholland as Morrison

Peter Greenspan as Johnson

Brian Phelan as Grimshaw

Walter Fitzgerald as Admiral Jackson

Joy Shelton as Mrs Crawford

Anthony Oliver as Tavern Leader

Russell Napier as Flag Captain

Michael Coles as Flag Lieutenant

André Maranne as Col. Giraud

Del Baker as Marine Captain (uncredited)

James Bolam as Midshipman (uncredited)

Tom Bowman as Bosun (uncredited)

Jim Brady as Press Gang (uncredited)

Vic Chapman as Crewman (uncredited)

Dick Gregory as Purser (uncredited)

Patrick Halpin as Crewman (uncredited)

Walter Henry as Pressed Crewman (uncredited)

Ann Lynn as Young Wife of Pressed Crewman (uncredited)

Alf Mangan as Sailor (uncredited)

Endre Muller as French Captain (uncredited)

Roger Mutton as Sailor (uncredited)

Emilio Scala as Pirate (uncredited)

Arnold Schulkes as Crewman (uncredited)

James Sharkey as Venetian Captain (uncredited)

Vera Tilsley as Girl in Inn (uncredited)

Harry Webster as Flagship Sailor (uncredited)

Fred Wood as French Sailor (uncredited)