John Hall

Invisible Agent (1942) starring John Hall,  Ilona Massey, Peter Lorre,  Cedric Hardwicke,  J. Edward Bromberg,  Albert Bassermann

Invisible Agent is an entry in the Invisible Man series, set just before the United States entered World War II. The film begins with a Nazi undercover agent Conrad Stauffer ( played extremely well by Cedric Hardwicke) and Japanese agent  Baron Ikito (played well by Peter Lorre), entering a print shop owned by Frank Raymond (Jon Hall) — who is actually the grandson of the original Invisible Man