Crazy House

Ole Olsen

Himself

Chic Johnson

Himself

Cass Daley

Herself / Sadie Silverfish

Martha O'Driscoll

Marjorie Nelson / Marjorie Wyndingham

Patric Knowles

Edmund 'Mac' MacLean

Percy Kilbride

Col. Cornelius Merriweather

Hans Conried

Roco

Shemp Howard

Mumbo

Basil Rathbone

Sherlock Holmes

Nigel Bruce

Dr. Watson

Ramsay Ames

Herself - Dancer

Louise Allbritton

Cameo Appearance

Evelyn Ankers

Cameo Appearance

Jimmy Aubrey

Cameo Appearance

Turhan Bey

Cameo Appearance

Lon Chaney Jr.

Cameo Appearance

Gale Sondergaard

Cameo Appearance

Leighton Noble

Johnny

Thomas Gomez

N.G. Wagstaff

Richard Lane

S. E. Hanley