George Cole
— Henry Sterling
Veronica Hurst
— Florence Sterling
Heather Thatcher
— Mrs Whittle
Jon Pertwee
— Charley Sterling
William Hartnell
— Detective Inspector Martin
Sidney James
— Mr. Hobson
Diana Decker
— Angel
Joan Sims
— Beryl
James Hayter
— Dr. Smith
Brian Oulton
— Mr. Jackson
Alan Badel
— The Great Mendoza
Wilfred Boyle
— Albert Boyle
Alexander Gauge
— Mr. Billing
Jill Melford
— Honey
Frank Birch
— Mr. Brown
Arthur Howard
— Mr. Coding
Lionel Jeffries
— Mr. Frobisher
Josephine Douglas
— Doctor's Receptionist
Diana Hope
— Blonde In Bank
Martin Wyldeck
— Commissionaire
Richard Massingham
— Stout Man
Peter Butterworth
— Stage Manager
Brian Wilde
— Clerk
Nan Braunton
— Neighbour
Wally Patch
— Bookmaker
Lucy Griffiths
— Blonde Outside Bank
Harry Herbert
— Stage Door Keeper
Russ Allen
— Sporty Type