Guest Stars Steven W. Bailey as Joe Kate Burton as Dr. Ellis Grey Loretta Devine as Adele Webber Sarah Utterback as Nurse Olivia Harper Robin Pearson Rose as Patricia Murphy Chris O'Donnell as Finn Dandridge Jessica Tuck as Shannon's Mom Pepper Sweeney as Lisa's Dad Mia Wesley as Karen's Mom Joanie Fox as Sara's Mom Co Starring Jeremy Rabb as ER Doctor Wayne Lopez as Paramedic #2 Haley Ramm as Shannon Matt Crabtree as IDC Dude Damon Standifer as Hazmat Guy Paulina Olszynski as Lisa Frank Merino as Funeral Home Guy Kelly King as Sara Alexandra Brandl as Karen Elizabeth Goldstein as Giselle Toussant Nicolette Collier as Young Meredith