Donald Houston

Albert Pascoe

Fay Compton

Alice Pascoe

Anton Diffring

Dmitri Krassin

Allan Cuthbertson

Clifford

Delphi Lawrence

Anna Krassin

William Hartnell

Herbert Whiteway

John Blythe

Fred Trewin

Robert Shaw

Ernest

Harry Towb

Bartender Tom

Bruce Gordon

Harry Simms

Frank Lawton

Chief Constable

Raymond Francis

Inspector Harris

Ann Stephens

Rose

Kenneth Cope

Coastguard

Colin Douglas

Police Sergeant

Toby Perkins

Langford

Doris Yorke

Mrs Whiteway

Gene Anderson

Mrs Trewin

Christopher Warbey

Jimmy Simms

Brian Franklin

Ken Simms

Lucy Griffiths

Barmaid

Leonard Morris

Dart Team Leader

Helena Pickard

Mrs Ernest

John Pike

Jackie (uncredited)

Jim Tyson

Fisherman in Pub (uncredited)

Mary Jones

Mrs Simms