Sherlock Holmes

Doctor Watson

Kitty

Sir Evan Barham

R.F. Meade

Sir Anthony Lloyd

General Jerome Lawford

Admiral Sir John Fabian Prentiss

Captain Roland Shore

Mrs. Hudson

Jill Grandis

Camberwell

Smithson - Barham's Butler (uncredited)

Meade's Henchman (uncredited)

BBC Radio Announcer (voice) (uncredited)

Voice of Terror (voice) (uncredited)

Bar Patron (uncredited)

Director

Sound Director

Sound

Set Decoration

Art Direction

Costume Design

Associate Producer

Story

Director of Photography

Screenplay

Screenplay

Editor

Original Music Composer