Who Done It?

Benny Hill

Hugo Dill

Belinda Lee

Frankie Mayne

David Kossoff

Zacco

Garry Marsh

Det. Inp. Hancock

George Margo

Barakov

Ernest Thesiger

Sir Walter

Denis Shaw

Professor Stumpf

Frederick Schiller

Gruber

Jeremy Hawk

Himself

Thorley Walters

Raymond Courtney

Philip Stainton

Frankie's Agent

Warwick Ashton

PC Roberts

Stratford Johns

PC Coleman

Nicholas Phipps

Scientist

Peter Bull

Scientist

Gibb McLaughlin

Scientist

Ernest Jay

Scientist

Harold Scott

Scientist

Norah Blaney

The Actress

Charles Hawtrey

Disc Jockey