Basil Rathbone

Sherlock Holmes

Nigel Bruce

Doctor Watson

Dennis Hoey

Inspector Lestrade

Hillary Brooke

Sally Musgrave

Mary Gordon

Mrs. Hudson

Halliwell Hobbes

Alfred Brunton, the butler

Milburn Stone

Capt. Pat Vickery

Minna Phillips

Mrs. Howells

Arthur Margetson

Dr. Bob Sexton

Gavin Muir

Phillip Musgrave

Frederick Worlock

Geoffrey Musgrave

Norma Varden

Gracie the Barmaid

Peter Lawford

Young Sailor at Bar

Heather Wilde

Olaf Hytten

Captain MacIntosh

Roy William Neill