George Cole as Henry Sterling

Veronica Hurst as Florence Sterling

Heather Thatcher as Mrs Whittle

Jon Pertwee as Charley Sterling

William Hartnell as Detective Inspector Martin

Sid James as Mr. Hobson

Diana Decker as Angel

Joan Sims as Beryl

James Hayter as Dr. Smith

Brian Oulton as Mr. Jackson

Alan Badel as The Great Mendoza

Wilfred Boyle as Albert Boyle

Alexander Gauge as Mr. Billing

Jill Melford as Honey

Frank Birch as Mr. Brown

Arthur Howard as Mr. Coding

Lionel Jeffries as Mr. Frobisher

Josephine Douglas as Doctor's Receptionist

Diana Hope as Blonde In Bank

Martin Wyldeck as Commissionaire

Richard Massingham as Stout Man

Peter Butterworth as Stage Manager

Brian Wilde as Clerk

Nan Braunton as Neighbour

Wally Patch as Bookmaker

Lucy Griffiths as Blonde Outside Bank

Harry Herbert as Stage Door Keeper

Russ Allen as Sporty Type