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 awake at night." Tracy received strong reviews for his performance, and the movie grossed $4 million worldwide. For the second year running, Tracy received an Academy Award for Best Actor. He was humble about the recognition, saying in his acceptance speech: "I honestly do not feel that I can accept this award ... I can accept it only as it was meant to be for a great man—Father Flanagan". Although he did keep his Oscar, a second statuette was struck and immediately sent to Flanagan. Tracy was listed as the fifth biggest money-making star of 1938. Tracy was absent from