Générique complet
Scotland Yard Investigator
C. Aubrey Smith
James Collison
Erich von Stroheim
Carl Hoffmeyer
Stephanie Bachelor
Toni Collison
Forrester Harvey
Sam Todworthy
Doris Lloyd
Emma Todworthy
Richard Fraser
Robert Cartwright
Eva Moore
Mary Collison
Victor Varconi
Jules
Emil Rameau
Professor Renault
Frederick Worlock
John Brent
Olaf Hytten
Purvis
TO
Tarquin Olivier
Young Cartwright
Georges Metaxa
Henri
Colin Campbell
Waters