Guest Stars Jason George as Dr. Ben Warren Jaicy Elliot as Dr. Taryn Helm Debbie Allen as Dr. Catherine Avery Greg Germann as Dr. Tom Koracick Stefania Spampinato as Dr. Carina DeLuca Peyton Kennedy as Betty Nelson Lindsay Wagner as Helen Karev Kyle Secor as John Dickinson Jennifer Grey as Carol Dickinson Lorenzo Caccialanza as Dr. Vincenzo DeLuca Co Starring Kathy C. An as Nurse Bokhee