Charlotte Rampling as Sara Capell

Anton Rodgers as The Duke

Eric Sykes as William Hunt

Ian Bannen as Lt. Percy Vine

Thorley Walters as Chief Constable Preston

Peter Vaughan as Sir Henry Capell

Dudley Sutton as Jelly

Kenneth Griffith as Lenny the Dip

James Beckett as Scapa Flood

Victor Maddern as Anxious O'Toole

Avis Bunnage as Countess de Wett (Matron)

Frank Jarvis as Moby

Arthur Skinner as Nick the Bible

Ian Wilson as Chopper Parsons

Kenneth Dight as Dirty Bertie

André van Gyseghem as Field Marshal von Schneer

Peter Zander as German A.D.C.

Robert Bruce as War Office Major

Neil Hallett as Guard Commander

Michael Danvers-Walker as British A.D.C.

Basil Dignam as The General

Barbara Everest as Mrs Dick

Margaret Lacey as Miss Rossiter

Cameron Hall as The Admiral

John Comer as Policeman

Raymond Huntley as Governor

Dandy Nichols as Woman in Cemetery

John Baker as Drainpipe Fred