The Peterville Diamond

Anne Crawford

Teri Mortimer

Donald Stewart

Charles Mortimer

Renée Houston

Lady Margaret

Oliver Wakefield

Baron Redburn

Charles Heslop

Dilfallow

William Hartnell

Joseph (as Bill Hartnell)

Felix Aylmer

The President

Charles Victor

Dan

Joss Ambler

Police Chief

Paul Sheridan

Luis

Jeremy Hawk

Pierre

Julian Somers

Andre

Rosamund Greenwood

Miss Geach

Billy Holland

First Detective Inspector

Noel Dainton

Second Detective Inspector

Leo de Pokorny

Receptionist

Walter Forde

Réalisation

Ladislas Fodor

Theatre Play

Gordon Wellesley

Adaptation, Scénario

Brock Williams

Adaptation, Scénario

Basil Emmott

Photographie

Terence Fisher

Montage

Ernest A. Royls

Sound

Cecil Thornton

Sound

Jack Beaver

Music Director

Norman G. Arnold

Direction artistique

George Blackwell

Special Effects

Henry Harris

Special Effects