Spencer Tracy Kramer's "Guess Who's Coming to Dinner" (1967), Tracy's ninth and final film with Hepburn. "Guess Who's Coming to Dinner" explored the topic of interracial marriage, with Tracy playing a liberal-minded newspaper publisher whose values are challenged when his daughter wishes to marry a black man, played by Sidney Poitier. Tracy was happy to be working again, but he told the press the movie would be his last. To commence filming, Tracy had to be insured for the high premium of $71,000; Hepburn and Kramer both put their salaries in escrow until Tracy completed his scenes. In poor health, Tracy could
Spencer Tracy long-term contract. Knowing that he needed the money for his family—his young son was deaf and recovering from polio—Tracy signed with Fox and moved to California. He appeared on the stage again only once more in his life. Winfield Sheehan, the head of Fox, committed to making Tracy a bankable commodity. The studio went to efforts to promote the actor, releasing adverts for his second film "Quick Millions" (1931) with the headline "A New Star Shines." Three films were made in quick succession, all of which were unsuccessful at the box office. Tracy found himself typecast in comedies, usually playing