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 Tracy's emphasis on naturalism when, as a rookie actor, he observed Tracy on the sets of "Inherit the Wind". When Reynolds later introduced himself to Tracy as an actor, Tracy replied, "An actor, huh? Just remember not to ever let anyone catch you at it." Despite the perception of being able to perform effortlessly, acquaintances of Tracy said that he would carefully prepare for each role. Joseph L. Mankiewicz lived with Tracy during the production of "Test Pilot", and recounted that the actor would lock himself in his bedroom "working extremely hard" each night. Many co-workers commented on his strong