<Li> Faithe Herman as Annie Pearson: Randall and Beth's younger daughter . (recurring season 1; main season 2--present) </Li> <Ul> <Li> Gerald McRaney as Dr. Nathan Katowski (aka Dr. K): An elderly widower, who delivers Kate and Kevin . </Li> <Li> Janet Montgomery as Olivia Maine: Kevin's former stage partner and ex-girlfriend . </Li> <Li> Milana Vayntrub as Sloane Sandburg: Kevin's stage partner and ex-girlfriend . </Li> <Li> Ryan Michelle Bathe as Yvette: A family friend of the Pearsons . </Li> <Li> Denis O'Hare as Jesse: William's friend and former romantic partner . </Li> <Li> Adam Bartley as Duke: The stable worker at the weight - loss camp Kate attends . </Li> <Li> Jill Johnson as Laurie: A member of Toby and Kate's weight - loss support group . </Li> </Ul> <Li> Gerald McRaney as Dr. Nathan Katowski (aka Dr. K): An elderly widower, who delivers Kate and Kevin . </Li> <Li> Janet Montgomery as Olivia Maine: Kevin's former stage partner and ex-girlfriend . </Li>

Who plays the dr on this is us