as Oberleutnant Matthäi
as Dr. Johannes Pfeiffer/Hans Pfeiffer
as Hans
as Wilhelm Voigt
as Konrad
as Lowenthal
as Max Schilling
as Dr. Otto Dernburg
as Gustav Hartmann
as Teddy Lemke
as Dr. John H. Watson / Macky McPherson
as Otto Groschenbügel
as Father Brown
as Schwejk
as Self
