This Dick Tracy movie has Boris Karloff as Gruesome where he uses a toxic gas to paralyze people and rob banks. This isn’t to be confused with the series of shorts. Look for the weird part around 10 minutes in where they kind of break the 4th wall and reference Boris Karloff.
The Son of Monte Cristo - 1941
In 1865, General Gurko Lanen is dictator of “Lichtenburg” in the Balkans. Rightful ruler Zona hopes to get aid from Napoleon III of France. The visiting Count of Monte Cristo falls for Zona and undertakes to help her, masquerading as a foppish banker and a masked freedom fighter. The rest is rapid-fire intrigue.