巴兹尔·雷斯伯恩

Basil Rathbone

饰：Sherlock Holmes

尼格尔·布鲁斯

William Nigel Ernle Bruce (本名)

饰：Dr. John H. Watson

希拉里·布鲁克

Hillary Brooke

饰：Lydia Marlowe

亨利·丹尼尔

Henry Daniell

饰：Professor Moriarty

保罗·卡瓦纳

Paul Cavanagh

饰：Sir George Fenwick

马修·博尔顿

Matthew Boulton

饰：Inspector Gregson of Scotland Yard,Narrator

Eve Amber

饰：Maude Fenwick

弗莱德里克·沃洛克

Frederick Worlock

饰：Dr. Onslow (as Frederic Warlock)

Coulter Irwin

饰：Corporal Williams

Sally Shepherd

饰：Crandon, Marlowe's maid

玛丽·戈登

Mary Gordon

饰：Mrs. Hudson

Eve Ashley

饰：Background woman (uncredited)

约翰·伯顿

John Burton

饰：Waring (uncredited)

Harold De Becker

饰：Shoelace seller (uncredited)

Leslie Denison

饰：Vincent (uncredited)

Tony Ellis

饰：Carter (uncredited)

Kay Harding

饰：Victim (uncredited)

Alec Harford

饰：Commissioner of the CID (uncredited)

Ivo Henderson

饰：Constable (uncredited)

Tommy Hughes

饰：Newsman (uncredited)

Colin Hunter

饰：Constable (uncredited)

奥拉夫·许滕

Olaf Hytten

饰：Norris, Fenwick's butler (uncredited)

Boyd Irwin

饰：Short-tempered officer closing window (uncredited)

Eric Mayne

饰：Member of Mesmer Club (uncredited)

威廉·H·奥布莱恩

William H. O'Brien

饰：Pembrook House waiter (uncredited)

Violet Seaton

饰：Nurse Mowbray (uncredited)

Arthur Stenning

饰：Mesmer Club servant (uncredited)

Percival Vivian

饰：Dr. Simnell (uncredited)

Kermit Maynard