Special Guest Stars Hilarie Burton Morgan as Gretchen Taylor Bethany Joy Lenz as Amy Taylor Guest Stars Evan Parke as Byron Kingsley Sendhil Ramamurthy as Asher Pyne Victoria Rowell as Tina Kingsley Co Starring Marium Carvell as Nurse Donna Williams Rong Fu as Dr. Lee Ronica Sajnani as Vinit's Wife Marcus Nance as Dr. Markov Presley Allard as Young Sam Sylvan Valladares as Vinit
