Elyes Gabel Walter O'Brien Actor Robert Patrick Agent Cabe Gallo Actor Katharine McPhee Paige Dineen Actor Eddie Kaye Thomas Toby Curtis Actor Jadyn Wong Happy Quinn Actor Ari Stidham Sylvester Dodd Actor Riley B. Smith Ralph Dineen Actor Joshua Leonard Mark Collins Guest Star Scott Porter Tim Armstrong Guest Star John Colella Doctor Guest Star Sonya Leslie Hospital Worker Guest Star Tom Massmann Bus Driver Guest Star Corby Sullivan Pierce Guest Star Alex Kurtzman Executive Producer Roberto Orci Executive Producer Nick Santora Executive Producer, Writer Nicholas Wootton Executive Producer, Writer Justin Lin Executive Producer Heather Kadin Executive Producer Scooter Braun Executive Producer Walter O'Brien Executive Producer Sam Hill Director