Guest Stars Jeff Perry as Thatcher Grey Lauren Stamile as Nurse Rose Kali Rocha as Dr. Sydney Heron Madeline Zima as Marissa Brooke Nevin as Tricia Hale D.B. Woodside as Marcus King Stephen Sowan as Danny Metcalf Co Starring Mark Saul as Dr. Steve Mostow Molly Kidder as Dr. Megan Nowland Joseph Williamson as Dr. Pierce Halley Amrapali Ambegaokar as Dr. Dani Mandvi Ray Ford as Paramedic Ray Sutera Julia Ling as Emma Courtney Hope as Ariana Monica Herman as Molly Laura Kenley as Janie Meghan Lynch as Courtney Rob J. Greenlea as Paramedic #2