Nigel Patrick as Gerald Coates

Moira Lister as Babs Coates

Beatrice Campbell as Joyce Penrose

Betty Ann Davies as Pinkie Collins

Michael Hordern as Inspector Ayling

Noel Purcell as Philip Balfour

Leslie Mitchell as Jack Donovan

Barry MacKay as Sergeant Gibson

Colin Gordon as Buns Darling

Gibb McLaughlin as Morton

Richard Grayden as Chandler

May Hallatt as Hoskyns

George Sequira as George

Ernest Jay as Railway Official

Russell Waters as Plainclothes Detective

Richard Graydon as Chandler