Hermann Speelmans as Jimmy Ward / Sherlock Holmes

Trude Marlen as Maria Iretzkaja

Elisabeth Wendt as Lola

Edwin Jürgensen as J.V. Barnov

Theo Shall as Harry Morrel

Ernst Karchow as Inspektor Brown

Werner Finck as John, Diener bei Ward

Werner Scharf as Jack Clark

Hans Halden as James Hewitt

Henry Lorenzen as Archibald Pepperkorn

Reinhold Bernt as Wilson

Eva Tinschmann as Frau Miller

Ursula Herking as

Maria Loja as

Charles Willy Kayser as