Yunjin Kim's audition for J.J. Abrams was so impressive that the beloved character of Sun-Hwa Kwon was created in order for Kim to have a place on the show.
David Chase admitted in Vanity Fair's oral history of the series that terminating actors was always difficult for him, but he tried to handle it delicately.
Timothy Olyphant's character FX's Justified got an unexpected boost from an appearance the actor made on another FX show, but not the one you might think.
There's a lot riding on "House of the Dragon," the first "Game of Thrones" spinoff series. Co-showrunner Ryan Condal promises it won't simply be a GOT rehash.