Chris Fedak Creator, Executive Producer Sam Sklaver Creator, Executive Producer Tom Payne Malcolm Bright Actor Michael Sheen Dr. Martin Whitly Actor Bellamy Young Jessica Whitly Actor Lou Diamond Phillips Gil Arroyo Actor Halston Sage Ainsley Whitly Actor Aurora Perrineau Dani Powell Actor Frank Harts JT Tarmel Actor Keiko Agena Dr. Edrisa Guilfoyle Actor Catherine Zeta-Jones Dr. Vivian Capshaw Guest Star Alan Cumming Simon Hoxley Guest Star Esau Pritchett Mr. David Guest Star Rachel York Birdie Milton Guest Star Dennis Flanagan Quentin Guest Star Ward Horton Dr. Flynt Donahue Guest Star Kristine Nielsen Francine Depaugh Guest Star Michael Laurence Tom Henry Glanton Guest Star Jeanette Dilone Natalie Barba Guest Star Robbie Tann Boyd Hicks Guest Star Jeremy Crutchley Izzy Collins Guest Star Hiram Delgado Chester Guest Star Michael Chernus Jerry Guest Star Oliva Grant Summer Hansen, Lana Anders Guest Star Manu Narayan Dr. Fred Chabra Guest Star Adam Kane Director Greg Berlanti Executive Producer Sarah Schechter Executive Producer Lee Toland Krieger Executive Producer Jason Sokoloff Producer