Joan Rice

Pat Lewis

Tim Turner

Frank Mason

Sandra Dorne

Blonde

Charles Victor

Sergeant

Cecil Brock

Criminal

John Le Mesurier

Inspector

Christopher Lee

Johnny, a constable

Nora Gordon

Mrs. Lewis

Rex III

Police Dog

James Gilbert

Ken Lade

Garard Green

Police Seargant at Break-in

Norman Mitchell

Vet

Gay Cameron

Phyllis Morris

John Warren

Clerk of Works

Derek N. Twist