Guest Stars Yoshié Bancroft as Nurse Sunny Christine Willes as E.R. Nurse Harry Lennix as Tim Dupre Mark Ghanimé as Dr. Jamie Albagetti Catherine Barroll as Joyce Barnes Michelle Harrison as Jessica Theresa Wong as O.R. Nurse Camille Atebe as O.R. Nurse Hiro Kanagawa as Dr. Nobu Chiba Tanya Clarke as Karen Ballard Chris Coy as Conor McCall Sean Michael Kyer as Sam Ballard Lane Edwards as Luke Ballard Shaine Jones as Anesthesiologist Zahf Paroo as Dr. Asad Tauana Marcus Coloma as P.O. Rick Malone Eva Bourne as Tracy Ballard