Amateur Crook is a 1937 American film directed by Sam Katzman.
Joan Barclay as Betsy Cummings takes a job as a secretary, using the alias Mary Layton, only to find that her Father Forrest Taylor as Jerry Cummings is being cheated by his brokers, Monte Blue as Crone and Jack Mulhall as Jan Jaffin.She steals the diamond, worth fifty thousand dollars, her Father used as collateral for a loan, which the brokers plan to cheat him out of and, the chase is on, with the crooked loan sharks and police after her. ........
Source: Wikipedia