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 and the stock circuit. In the fall of 1926, Tracy was offered his third shot at Broadway: a role in a new George M. Cohan play called "Yellow". Tracy swore that if the play failed to be a hit he would leave stock and work in a "regular" business instead. Tracy was nervous about working with Cohan—one of the most important figures in American theatre—but during rehearsals Cohan announced, "Tracy, you're the best goddamned actor I've ever seen!" "Yellow" opened on September 21; reviews were mixed but it ran for 135 performances. It was the beginning of an important collaboration