After a detective is assaulted by thugs and placed in an asylum run by Professor Baum, he observes the professor's preoccupation with another patient, the criminal genius Dr. Mabuse the hypnotist. When Mabuse's notes are found to be connected with a rash of recent crimes, Commissioner Lohmann must determine how Mabuse is communicating with the criminals, despite conflicting reports on the doctor's whereabouts, and capture him for good.
as Dr. Mabuse
as Prof. Dr. Baum
as Juwelen-Anna
as Kommissar Lohmann
as Lithograph
as Karetzky
as Hardy
as Dr. Kramm
as Hofmeister
as Kent
as Baums Diener
as Hans
as Bulle
as Erpresser
as Nicolai Griforiew
as Dr. Hauser
as Lilli
as Arbeiter
