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 Hopkins, Kirk Douglas and Morgan Freeman. A 1986 PBS documentary titled "The Spencer Tracy Legacy" was hosted by Hepburn. It includes clips from Tracy's films, and behind-the-scenes archival footage and home movies of Tracy's private life and career, as well as newly filmed interviews with many of his former co-stars, and with his daughter Susie Tracy. In 2009, Tracy provided inspiration for the character Carl in Pixar's Oscar-winning film "Up". Director Pete Docter explained that there is "something sweet about these grumpy old guys". In 2014, a film about Tracy's relationship with Katharine Hepburn was announced to be in development.