Top Billed Cast

• 

  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
• 

  Medea Radzina

  Anisya - Olga's Companion
• 

  Nicholas Soussanin

  Duke's Aide
• 

  Cesare Gravina

  Opera Director
• 

  Nina Romano

  Barbara
• 

  Albert Prisco

  Messenger
• 

  George B. Williams

  Ruined Banker