John Mills

Phillip Davidson

John McCallum

Supt. Bob Lowther

Elizabeth Sellars

Fay Lowther

Eva Bergh

Ilse

Geoffrey Keen

Craig

Michael Martin Harvey

Jackson

John Chandos

Boyd

John Slater

Pewsey

Thora Hird

Mrs Pewsey

Vida Hope

Alice Gedge

John Glyn-Jones

Gedge

Mary Mackenzie

Gladys

Harold Lang

Boyd's Chauffeur/Receptionist

John Horsley

Bletchley

Fred Johnson

Driver

Laurence Naismith

Hasbury

Peter Jones

Fisher

Christopher Beeny

Mickie

Denis Shaw

Shaw (uncredited)