<Li> Martin Henderson as Dr. Nathan Riggs </Li> <Li> Giacomo Gianniotti as Dr. Andrew DeLuca </Li> <Ul> <Li> Joe Adler as Dr. Isaac Cross </Li> <Li> Debbie Allen as Dr. Catherine Avery </Li> <Li> Tessa Ferrer as Dr. Leah Murphy </Li> <Li> LaTanya Richardson Jackson as Diane Pierce </Li> <Li> Marika Dominczyk as Dr. Eliza Minnick </Li> </Ul> <Li> Joe Adler as Dr. Isaac Cross </Li>

Grey's anatomy cast season 13 episode 22