Heinz Rühmann

as Various Roles (archive footage)

as Konrad

as Erik Braun

as Henry Schmidt

as Lowenthal

as Prof. Dr. Traugott Hermann Nägler

as Father Brown

as Pater Brown

as Schwejk

as Herr Buchsbaum

as Oberleutnant Matthäi

as Lutz Ventura

as Wilhelm Voigt

as Dr. Otto Dernburg

as Teddy Lemke

as Dr. Johannes Pfeiffer/Hans Pfeiffer

as Peter Trost

as Otto Groschenbügel

as Schneidergeselle Wenzel

as Friseur Felix Rabe

as Dr. John H. Watson / Macky McPherson