Générique complet
The Midnight Sun
Laura La Plante
Olga 'The Midnight Sun' Morova
Pat O'Malley
Grand Duke Sergius of Russia
Michael Vavitch
Duke's Adjutant
Raymond Keane
Alexei Orloff - Russian Officer
Earl Metcalfe
Nicolai Orloff
George Siegmann
Ivan Kusmin - Banker
Arthur Hoyt
Yessky - Kusmin's Secretary
MR
Medea Radzina
Anisya - Olga's Companion
NS
Nicholas Soussanin
Duke's Aide
Cesare Gravina
Opera Director
Nina Romano
Barbara
Albert Prisco
Messenger
George B. Williams
Ruined Banker
Yola d'Avril
Max Barwyn
Maitre D'
Sayre Dearing
Young Russian Officer
Louis Mercier
Russian Dissident
Phillips Smalley
Card Player
