Lionel Atwill as Dr. Otto von Niemann

Fay Wray as Ruth Bertin

Melvyn Douglas as Karl Brettschneider

Maude Eburne as Aunt Gussie Schnappmann

George E. Stone as Kringen

Dwight Frye as Herman Gleib

Robert Frazer as Emil

Rita Carlyle as Martha

Lionel Belmore as Bürgermeister Gustave Schoen

William V. Mong as Sauer

Stella Adams as Georgiana

Harrison Greene as Weingarten