City in Darkness

Chan, in Paris for a reunion with friends from World War I, becomes involved in investigating the murder of a munitions manufacturer who was supplying arms to the enemy, even as the rising clouds of World War II force the city into nightly blackout status..

• 
  Herbert I. Leeds

• 
  Sidney Toler
  Charlie Chan
• 
  Harold Huber
  Police Inspector Marcel Spivak
• 
  Pedro de Cordoba
  Antoine
• 
  Lynn Bari
  Marie Dubon
• 
  Richard Clarke
  Tony Madero
• 
  Dorothy Tree
  Charlotte Ronnell
• 
  Noel Madison
  Belescu
• 
  Leo G. Carroll
  Louis Santelle
• 
  C. Henry Gordon
  Prefect of Police J. Romaine
• 
  Louis Mercier
  Gentleman Max
• 
  George Davis
  Alex
• 
  Barbara Leonard
  Lola
• 
  Douglass Dumbrille
  B. Petroff (as Douglas Dumbrille)
• 
  Adrienne D'Ambricourt
  Hotel Proprietress
• 
  Harry Fleischmann
  Baptiste
• 
  Lon Chaney Jr.
  Pierre
• 
  Eugene Borden
  Gendarme
• 
  Frederick Vogeding
  Captain
• 
  André Cheron
  Man wearing a robe in the hallway
• 
  Ann Codee
  Complainant at Police