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..
Sidney Toler
Harold Huber
Pedro de Cordoba
Lynn Bari
Richard Clarke
Dorothy Tree
Noel Madison
Leo G. Carroll
C. Henry Gordon
Louis Mercier
George Davis
Barbara Leonard
Douglass Dumbrille
Adrienne D'Ambricourt
Harry Fleischmann
Lon Chaney Jr.
Eugene Borden
Frederick Vogeding
André Cheron
Ann Codee
Albert Conti
Gino Corrado
Jean De Briac
Jean Del Val
Fred Farrell
Constant Franke
Arno Frey
John George
Helen Giere
Paul Irving
Jeanne Lafayette
Michael Mark
Alphonse Martell
Alberto Morin
Nita Pike
Albert Pollet
Frank Puglia
Joseph Romantini
Rolfe Sedan
Tom Seidel
Lester Sharpe
George Sorel
Larry Steers
Jacques Vanaire
Veola Vonn
Poppy Wilde
Marek Windheim