Greta Garbo
Diana Merrick

John Gilbert
Neville Holderness

Lewis Stone
Dr. Hugh Trevelyan

Johnny Mack Brown
David Furness

Douglas Fairbanks Jr.
Jeffry Merrick

Hobart Bosworth
Sir Morton Holderness

Dorothy Sebastian
Constance

Gertrude Astor
Party Guest (uncredited)

Agostino Borgato
French Police Inspector (uncredited)

Sydney Jarvis
Gendarme (uncredited)

Fred Kelsey
Detective (uncredited)

Anita Louise
Young Diana (uncredited)

Alphonse Martell
French Hotel Concierge (uncredited)

William H. O'Brien
Man Peering Into Room (uncredited)

Frank Finch Smiles
Butler (uncredited)