Robert Taylor
Erich Lohkamp

Margaret Sullavan
Patricia Hollmann

Franchot Tone
Otto Koster

Robert Young
Gottfried Lenz

Guy Kibbee
Alfons

Lionel Atwill
Breuer

Henry Hull
Dr. Becker

Charley Grapewin
Local Doctor

Monty Woolley
Dr. Jaffe

Stanley Andrews
Officer giving toast (uncredited)

Jessie Arnold
Nurse at sanatorium (uncredited)

George Chandler
First comic with singer (uncredited)

Marjorie Main
Old woman by phone (uncredited)

Francis X. Bushman Jr.
Second comic (uncredited)

Spencer Charters
Herr Schultz

Roger Converse
Becker’s Assistant

Mitchell Lewis
Boris (uncredited)

Esther Muir
Frau Schmidt (uncredited)

Edward McWade
Ludwig

Ludwig

Claire McDowell
Landlady Frau Zalewski (uncredited)