Think Fast, Mr. Moto is a 1937 film featuring a mysterious Japanese detective named Mr. Moto. It is the first of eight films in the Mr. Moto series, all based on Mr. Moto novels written by John P. Marquand. The film stars Peter Lorre as the title character, Virginia Field, Thomas Beck and Sig Ruman. Mr. Moto works to stop a secret smuggling operation.

Storyline
Mr Moto encounters mysterious goings-on on a ship bound for Shanghai. He recognises his steward as the murderer of a man in San Francisco, and catches him trying to steal an important letter from the stateroom of another passenger, Robert Hitchings. Hitchings, son of the owner of the shipping line, falls in love with Gloria, who refuses to tell him anything about her life and disappears when they arrive in Shanghai. In Shanghai, Mr Moto uncovers the secret which links the murder in San Francisco, the mysterious letter, and Gloria.

Cast
Peter Lorre as Mr. Moto
Thomas Beck as Bob Hitchings Jr.
Virginia Field as Gloria Danton
Murray Kinnell as Joseph B. Wilkie
Sig Ruman as Nicolas Marloff
George Cooper as Muggs Blake
John Rogers as Carson the steward
Lotus Long as Lela Liu
J. Carrol Naish as Adram
George Hassell as Robert Hitchings Sr. (uncredited)
William Law as Shanghai Police Chief (uncredited)
Bert Roach as The Ship's Bartender (uncredited