<Li> Matthew Morrison as Dr. Paul Stadler </Li> <P> At the end of the twelfth season, the cast's contracts had expired after previously renewing them at the end of the tenth season of Grey's Anatomy . Ellen Pompeo and Patrick Dempsey renewed their contracts for another two seasons (seasons 11 and 12) on January 23, 2014, but Dempsey later left the series at the end of the eleventh season . The rest of the six original cast mates, Justin Chambers, Chandra Wilson and James Pickens Jr., excluding Sandra Oh, renewed their contracts on May 26, 2014, as Drs . Alex Karev, Miranda Bailey, and Richard Webber, respectively, for the eleventh and twelfth season . Sara Ramirez also renewed her contract for another two seasons as Dr. Callie Torres . </P> <P> On June 28, 2015, before the twelfth season had begun airing, it was announced that Jessica Capshaw, whose contract expired after season 11, had renewed her contract for another three seasons as Dr. Arizona Robbins . That meant that her character would be staying on the show through season 13 and season 14 . Kevin McKidd had previously said that he was in negotiations to renew his contract after the twelfth season on January 9, 2016 . After the season finale, McKidd confirmed that he would be back for the 13th season . Justin Chambers announced on March 11, 2016 that he had renewed his contract and will be playing Dr. Alex Karev in the 13th season . The Hollywood Reporter reported on May 4, 2016, that the original cast were all negotiating new contracts . After the finale, Pompeo said that she would be returning in the next season, which was officially confirmed by Deadline on June 1, 2016 . Series - veteran Sara Ramirez announced after the finale that she would not be returning for season 13 as Dr. Callie Torres, after the character left for New York to be with her girlfriend Dr. Penny Blake . Thus, this will be the first season since her introduction in season two in which Dr. Callie Torres, portrayed by Sara Ramirez, is not included in the main cast of characters . On June 10, 2016, it was officially announced that the rest of the cast members whose contracts expired after the twelfth season, Chandra Wilson, James Pickens Jr. and Kevin McKidd, will return for the next season . </P> <P> On September 28, 2016, it was announced that the Days of Our Lives alum Jen Lilley would appear in the third episode, playing Kara . Bridget Regan announced on her Instagram account that she would be appearing in the eighth episode "The Room Where It Happens". It was reported that Tessa Ferrer would be reprising her role as Dr. Leah Murphy in a recurring role for the 13th season . On October 17, 2016 ABC confirmed that Marika Dominczyk had been cast in a guest stint as Eliza Minnick . On January 31, 2017, it was announced that Jerrika Hinton would be departing the series regular cast this season . </P>

When does grey come back in season 13