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 Tina Majorino Florence Guest Star Koby Kumi-Diaka Alex Guest Star Raven Scott Cala Guest Star Marvin Gay Behranu Guest Star Jimmy Akingbola Jelani Guest Star Chet Anekwe Sami Guest Star Dalila Ali Rajah Nia Guest Star Henry Dittman Gettleman Guest Star Theo Bongani Ndyalvane Young Man Guest Star Alex Kurtzman Executive Producer Roberto Orci Executive Producer Nick Santora Executive Producer Nicholas Wootton Executive Producer Justin Lin Executive Producer Heather Kadin Executive Producer Scooter Braun Executive Producer Walter O'Brien Executive Producer Paul Grellong Writer Scott Sullivan Writer Sam Hill Director