Invisible Agent (1942)

Frank Griffin Jr, the grandson of the original Invisible Man, runs a print shop in Manhattan under the assumed name of Frank Raymond (Jon Hall). One evening, he is confronted in his shop by four armed men who reveal that they are foreign agents working for the Axis powers and they know his true identity. One of the men, Conrad Stauffer (Cedric Hardwicke), is a lieutenant general of the S.S., while a second, Baron Ikito (Peter Lorre), is Japanese. They offer to pay for the invisibility formula...