Think Fast, Mr. Moto is a 1937 American mystery film directed by Norman Foster and featuring a mysterious Japanese detective named Mr. Moto. It is the first of eight films in the Mr. Moto series, all based on the character Mr. Moto created 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.

Norman Foster was an American film director, screenwriter and actor. He directed many Charlie Chan and Mr. Moto films as well as projects for Orson Welles and Walt Disney. As an actor he was a leading man in early talkies and also appeared in Welles' final film, The Other Side of the Wind.