Guest Stars Aniela Gumbs as Zola Grey Shepherd Samantha Sloyan as Dr. Penelope Blake Wilmer Valderrama as Kyle Diaz Katie Harker as Paramedic #2 Brianne Tju as Stacy Antonio Leon as Detective Mitch Proust Zackary Arthur as Peter Green Ellen Wroe as Mrs. Green David Fierro as James Nina Rausch as Sheila Davis Brea Bee as Patricia Cole Co Starring Mark Overholt as Ron