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 James Saito Dr. Higa Guest Star Chris Ghaffari Cal Taylor Guest Star Michael Siberry George Taylor Guest Star Dennis Boutsikaris William Voight Guest Star Armando Acevedo Hector Guest Star Greg Berlanti Executive Producer Sarah Schechter Executive Producer Chris Fedak Executive Producer Sam Sklaver Executive Producer Lee Toland Krieger Executive Producer