Hermann Speelmans
— Jimmy Ward / Sherlock Holmes
Trude Marlen
— Maria Iretzkaja
Elisabeth Wendt
— Lola
Edwin Jürgensen
— J.V. Barnov
Theo Shall
— Harry Morrel
Ernst Karchow
— Inspektor Brown
Werner Finck
— John, Diener bei Ward
Werner Scharf
— Jack Clark
Hans Halden
— James Hewitt
Henry Lorenzen
— Archibald Pepperkorn
Reinhold Bernt
— Wilson
Eva Tinschmann
— Frau Miller
Ursula Herking
Maria Loja
