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)

Directing

Art

Art

Production

Sound

Costume & Make-Up

Sound

Writing

Writing

Camera

Writing

Editing

Sound