Special Guest Stars Kate Walsh as Dr. Addison Forbes Montgomery Guest Stars Jason George as Dr. Ben Warren Jaicy Elliot as Dr. Taryn Helm Stefania Spampinato as Dr. Carina DeLuca Barrett Doss as Victoria Hughes Danielle Savre as Maya Bishop Toya Turner as Grace Porter Rich Hutchman as TBD Joshua Triplett as Russell Porter Michael Segovia as Matt Ortega Co Starring Karis Barry as Scout Kieran Barry as Scout Peyton Ervolina as Luna Parker Ervolina as Luna Jasmine McLeish as Nurse Stella Owens Archana Rajan as Greta