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..
as Charlie Chan
as Police Inspector Marcel Spivak
as Antoine
as Marie Dubon
as Tony Madero
as Charlotte Ronnell
as Belescu
as Louis Santelle
as Prefect of Police J. Romaine
as Gentleman Max
as Alex
as Lola
as B. Petroff (as Douglas Dumbrille)
as Hotel Proprietress
as Baptiste
as Pierre
as Gendarme
as Captain
as Man wearing a robe in the hallway
as Complainant at Police
as Travel Agency Manager
as Proprietor of Wine Cellar
as Puppeteer
as French Cabby
as Minor Role
as Officer
as Pilot
as Victor the Gypsy, gangland bistro patron (cameo extra)
as Minor Role
as Doctor
as French Girl
as Mechanic
as Gendarme
as Clerk
as Telephone Operator
as Cabby
as Gendarme at Steamship Office
as Gendarme
as Hotel Clerk
as Phillip
as Market Man
as Plainclothesman
as Man Leaving Paris
as Gendarme
as French Girl
as One of Petroff's Girlfriends
as Cabby
