Hugo Dill

Benny Hill

Acting

Frankie Mayne

Belinda Lee

Acting

Zacco

David Kossoff

Acting

Det. Inp. Hancock

Garry Marsh

Acting

Professor Stumpf

Denis Shaw

Acting

Sir Walter

Ernest Thesiger

Acting

Barakov

George Margo

Acting

Gruber

Frederick Schiller

Acting

Raymond Courtney

Thorley Walters

Acting

PC Coleman

Stratford Johns

Acting

PC Roberts

Warwick Ashton

Acting

The Actress

Norah Blaney

Acting

Disc Jockey

Charles Hawtrey

Acting

Scientist

Nicholas Phipps

Writing

Scientist

Peter Bull

Acting

Scientist

Gibb McLaughlin

Acting

Scientist

Ernest Jay

Acting

Scientist

Harold Scott

Acting

Radio Show Official (uncredited)

Terence Alexander

Acting

Customer (uncredited)

Irene Handl

Acting

Shop demonstrator (uncredited)

Arthur Lowe

Acting

Arresting Policeman (uncredited)

Glyn Houston

Acting

Himself

Jeremy Hawk

Acting

Frankie's Agent

Philip Stainton

Acting