Guest Stars Debbie Allen as Dr. Catherine Avery Frankie Faison as William Bailey Bianca Taylor as Elena Rose Bailey Robert Picardo as Mr. Nelligan Amy Landecker as Morgan Mark Moses as Dr. Larry Maxwell Johnathan McClain as Dr. Rich Gregory Co Starring BJ Tanner as Tuck Taylor Mosby as Collegiate Bailey Sarah Benoit as Nurse Julia Udell Sharae Nikai as Doctor Sean Sekino as Intern Stuart Brooklyn Laws as Preteen Bailey Alana Gay as Young Bailey Timothy Gouran as Hot Dog Vendor