Guest Stars Kelly McCreary as Dr. Margaret "Maggie" Pierce Jason George as Dr. Ben Warren Kate Burton as Dr. Ellis Grey Geena Davis as Dr. Nicole Herman Sally Pressman as Young Ellis Grey Megan Gallagher as Mrs. Oldroyd Libe Barer as Monica McKeever Christopher Redman as Chris Matthew Van Oss as David Oldroyd Co Starring Cynthia Youngblood as ER Nurse Curtis Walker as Medivac Guy Dyana Liu as Nurse Aria Lyric Leabu as Young Meredith Danny Jacobs as Doctor Emma Shannon as Lily Courtney Cunningham as Woman Ian Chen as Luca Peterson Michelle Noh as Sharon Peterson
