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 Kasjan Wilson Young Bright Guest Star Esau Pritchett Mr. David Guest Star Molly Griggs Eve Blanchard Guest Star Anna Eilinsfeld Girl Guest Star Cameron Scoggins Lucas Guest Star Heather Lind Alessa Guest Star Evelyn Giovine Christine Guest Star Rebecca S'manga Frank Deirdre Guest Star Shamika Cotton Joanne Guest Star Socorro Santiago Lydia Guest Star Greg Berlanti Executive Producer Sarah Schechter Executive Producer Chris Fedak Executive Producer Sam Sklaver Executive Producer Lee Toland Krieger Executive Producer