Greta Garbo as Helga, aka Susan Lenox

Clark Gable as Rodney Spencer

Jean Hersholt as Karl Ohlin

John Miljan as Wayne Burlingham

Alan Hale as Jeb Mondstrum

Hale Hamilton as Mike Kelly

Hilda Vaughn as Astrid Ohlin

Russell Simpson as Doctor

Cecil Cunningham as Madame Panoramia aka Pansy

Ian Keith as Robert Lane

Rose Dione as French Hostess at Paradise Club (uncredited)

Bess Flowers as Dinner Guest (uncredited)

Eddie Kane as 'Freddy' Friedman (uncredited)

Marjorie King as Vera (uncredited)

Pat Moriarity as Irish Construction Worker (uncredited)

Larry Steers as New Year's Eve Escort (uncredited)

Theodore von Eltz as Kemper (uncredited)

Nella Walker as Dinner Guest (uncredited)

Walter Walker as Dinner Guest (uncredited)

Jack Baxley as Barker (uncredited)