John Slattery told ET on Monday he would «absolutely» reprise his character for HBO's spinoff Slattery played politician Bill Kelley in several episodes of the original show, which recently celebrated its 25th anniversary. «Absolutely, in a hot second,» Slattery told ET of a potential return, agreeing that perhaps his character could be the mayor of New York City by now. «Why not!» Interest surrounding the spinoff peaked in recent weeks, following the news that Kim Cattrall will return for a cameo in the upcoming second season of . Cattrall had previously stated that she would not reprise her role — her last appearance in the franchise was for the second feature film in 2010. Per , she shot just one scene for the cameo and filmed it in one day back in March. Slattery spoke to ET at the global premiere at the 2023 Tribeca Film Festival.