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