Elenco - The Whispering Shadow
Bela Lugosi
Professor Adam Anton Strang
Malcolm McGregor
Jack Foster
Viva Tattersall
Vera Strang
Robert Warwick
Robert Raymond
Roy D'Arcy
Steinbeck
Karl Dane
Sparks
Henry B. Walthall
J. D. Bradley
Lafe McKee
Prince Alexander, alias Mr. Jerome