Elementary, My Dear Watson

John Cleese

Sherlock Holmes

William Rushton

Dr. Watson

Bill Maynard

Frank Potter

Josephine Tewson

Lady Cynthia

Norman Bird

Inspector Street

Larry Martyn

Fu Manchu

Michael Knowles

Rupert

Frank Muir

Self

Dawn Addams

Self

Ivor Salter

Airport Loader

Rosemary Lord

Mabel

Chic Murray

Constable