Guest Stars Patrick Dempsey as Dr. Derek Shepherd Jason George as Dr. Ben Warren Jaicy Elliot as Dr. Taryn Helm Debbie Allen as Dr. Catherine Avery Stefania Spampinato as Dr. Carina DeLuca Alex Landi as Dr. Nico Kim Danielle Savre as Maya Bishop Lex Medlin as Byron Gibbis Co Starring Aniela Gumbs as Zola Grey Shepherd Payton Silver as Dr. A. Knox Brody Goodstadt as Bailey Shepherd Ryder Goodstadt as Bailey Shepherd Ella Faris as Little Ellis Gracie Faris as Little Ellis Kathy C. An as Nurse Bokhee Zaiver Sinnett as Dr. Zander Perez