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 Technicolor—proved popular. He then portrayed Thomas Edison in "Edison, the Man". Howard Barnes of the "New York Herald Tribune" was not charmed by the story, but wrote that Tracy, "by sheer persuasion of his acting", made the film worthy. "Boom Town" was the third and final Gable-Tracy picture, also featuring Claudette Colbert and Hedy Lamarr, making it one of the most anticipated films of the year. The film opened to the biggest crowd since "Gone With the Wind". Tracy signed a new contract with MGM in April 1941, which paid $5,000 a week and limited him to three pictures a