Raymond Burr died, but Hale's real-life son William Katt played the role of Paul Drake, Jr. The movie was so successful that Burr made a total of 26 Perry Mason television films before his death. Many were filmed in and around Denver, Colorado. By 1993, when Burr signed with NBC for another season of Mason films, he was using a wheelchair full-time because of his failing health. In his final Perry Mason movie, "The Case of the Killer Kiss", he was shown either sitting or standing while leaning on a table, but only once standing unsupported for a few seconds. Twelve more
Raymond Burr weight, always an issue for him in getting roles, became a public relations problem when Johnny Carson began making jokes about him during his "Tonight Show" monologues. Burr refused to appear as Carson's guest from then on, and told "Us Weekly" years later: "I have been asked a number of times to do his show and I won't do it. Because I like NBC. He's doing an NBC show. If I went on I'd have some things to say, not just about the bad jokes he's done about me, but bad jokes he does about everybody who can't fight back