Cagney & Lacey Cain, and show the two lead characters being promoted to plainclothes detectives and later disguised as prostitutes. This was replaced the following season by an instrumental theme composed by Bill Conti set to a collage of action and comical scenes featuring the characters from the series. The series was followed by four television movies which reunited the characters Christine Cagney (promoted and now working at the District Attorney's office) and Mary Beth Lacey (now retired from the police force). Following the conclusion of "Cagney & Lacey", Tyne Daly and Sharon Gless have reunited onscreen three times: all three times playing
Sharon Gless playwright Claudia Allen and directed by Wendy Jo Carlton. In 2017, it was announced that Gless would appear in one episode of the BBC's "Casualty", the world's longest-running medical drama, as surgeon Zsa Zsa Harper-Jenkinson. She appears in the thirteenth episode of the serial's thirty-second series. Gless called Zsa Zsa a "wonderful character". Gless was invited to appear in the show by one of the producers and expressed interest in reprising the role. Gless' appearance marked the first time the show has flown an American to the UK to film a role. She reprised the role on the October 13