Riven

Laurence Harvey

as Lieutenant "Buster" Crabb, R.N.V.R.

Michael Craig

as Leading Seaman Knowles

Dawn Addams

as Third Officer Jill Masters, W.R.N.S

John Clements

as The Admiral

Sid James

as Chief Petty Officer Thorpe

Alec McCowen

as Able Seaman Morgan

Nigel Stock

as Able Seaman Fraser

Ian Whittaker

as Ordinary Seaman Thomas

Arnoldo Foà

as Tomolino

Gianna Maria Canale

as Conchita

Massimo Serato

as Forzenelli

Giacomo Rossi Stuart

as Rosati

Carlo Giustini

as Fellini

Raymond Young

as Celloni

David Lodge

as Sergeant

Ewen Solon

as Willowdale Captain

Brian Oulton

as Holford

Howard Marion-Crawford

as Wing Commander

Cyril Shaps

as Miguel

Lee Montague

as Miguel's Mate

John Lee

as Flag Lt.

Terence Longdon

as Lt Bailey

Ian MacNaughton

as Admiralty Sentry

Alan Webb

as British Consul

John Moffatt

as Diver

Harold Siddons

as Army Interrogation Officer

Michael Brill

as Naval Interrogation Officer

Jack May

as Navy Doctor

Derren Nesbitt

as Patrol Boat Officer

Yvonne Romain

as Spanish Girl

Jerome Willis

as Sailor

Marshall Pugh

Novel

William Fairchild

Director

William Fairchild

Screenplay

Otto Heller

Cinematography

William Alwyn

Music

Bertram Ostrer

Producer

Alan Osbiston

Editor

Ray Hearne

Still Photographer