Franziska Gaal as Katerina Linz

Franchot Tone as Paul Wagner

Walter Connolly as Mr. Brown

Reginald Gardiner as Willie

Rita Johnson as Rosalind Brown

Reginald Owen as Charlie Grump

Franklin Pangborn as Adolf Pumpfel

Robert Coote as Karl

Barnett Parker as Hugo

James B. Carson as Rudolph

Billy Gilbert as Garage Mechanic

Frank Reicher as Police Official (uncredited)

Charles Halton as Ambassador (uncredited)

Sidney Bracey as Second Butler (uncredited)

Barbara Pepper as Woman at bar (uncredited)

Ruth Warren as Euphasia, the cook (uncredited)