Sir Arthur Conan Doyle(1967)

Linda Polan

Principessa Claudia Arrighi

David Morrell

Lovegrove

Margaret Courtenay

Mrs. Esdaile

Keith Buckley

Tom Crabbe

David Markham

His Hon. Judge Jordan

Nicholas Smith

Mr. Bull

Alan Howard

Theophilus St. James

Paul Angelis

Travers

John Bryans

Mr. Armitage

Angela Pleasence

Maid

John Stratton

Insp. Lavender

Sydney Bromley

Old Man

André Maranne

Monsieur Jacquemot

Noel Howlett

Coroner

George Sewell

Mr. Stapleton

Jean Anderson

Ada Grey

Aubrey Morris

Mr. Purvis

Peter Bowles

Harry Deacon