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
Sammy White (actor) in the Spencer Tracy - Katharine Hepburn film "Pat and Mike" (1952), as the man to whom Tracy says (when talking about Hepburn), "Not much meat on her, but what there is, is cherce!" White and Puck also appeared in a short film made by Lee De Forest in his Phonofilm sound-on-film process, and premiered at the Rivoli Theater in New York City on 15 April 1923. This film records their comic routine "Opera Vs. Jazz" and is preserved in the Maurice Zouary collection at the Library of Congress. White played himself in the biopic "The Helen Morgan Story" (1957),