Mary of the Movies

Mary's kid brother needs an operation and, in order to pay for it, Mary goes to a Hollywood studio and applies for a job as an actress. Mary is given a job as a waitress in the commissary, and gets to meet 40 actors, actresses and directors, none of whom tip big enough to enable Mary to earn enough money to pay for an operation. Will Mary become an actress and make some big money? Does corn grow in Iowa?