Basil Rathbone
Sherlock Holmes
Acting
Nigel Bruce
Doctor Watson
Acting
Evelyn Ankers
Kitty
Acting
Reginald Denny
Sir Evan Barham
Acting
Thomas Gomez
R.F. Meade
Acting
Henry Daniell
Sir Anthony Lloyd
Acting
Montagu Love
General Jerome Lawford
Acting
Olaf Hytten
Admiral Sir John Fabian Prentiss
Acting
Leyland Hodgson
Captain Roland Shore
Acting
Mary Gordon
Mrs. Hudson
Acting
Hillary Brooke
Jill Grandis
Acting
Harry Cording
Camberwell
Acting
Herbert Evans
Smithson - Barham's Butler (uncredited)
Acting
Fred Graham
Meade's Henchman (uncredited)
Acting
Gavin Muir
BBC Radio Announcer (voice) (uncredited)
Acting
Edgar Barrier
Voice of Terror (voice) (uncredited)
Acting
Bobby Hale
Bar Patron (uncredited)
Acting