Antonia Bogdanovich Director, Screenwriter Luke Kleintank Beckett Emerson Actor Thomas Brodie-Sangster Samuel Emerson Actor Sebastian Roché Warren Emerson Actor Jordan Dunn Little Larry Actor Tobin Bell Smashmouth Actor Rebecca Romijn Ms. Rose Actor Gbenga Akinnagbe Roman Actor Ashley Hamilton Donny Actor Susan Park Grace Actor Raymond Ma Mr. Lee Actor Clare Grant Carlene Actor Jeff Seymour Adam Actor Taji Coleman Tamara Actor Shawn Woods Mr. Shee Actor Nikita Vora Rosa Actor Anne Heffron Screenwriter William Blaylock Producer Brian Espinosa Producer Gabby Revilla Lugo Producer Peter Bogdanovich Executive Producer Gavin Kelly Cinematographer Javier Álvarez Film Editing Jason Lazarus Original Music Stephanie Hass Production Design Jackie Linke Art Director David Moritz Film Editing Daniel R. Padgett Film Editing John Jackson Casting