Mark Webber Thomas Director, Actor, Screenwriter, Producer Teresa Palmer Ava Actor, Screenwriter, Producer Rosario Dawson Self Phoebe Tonkin Mabel Actor Melissa Leo Penny Actor Scott "Kid Cudi" Mescudi Scott Actor Joshua Leonard Christian Actor Tahyna MacManus Ms. Sanders Actor Gemma Pranita Naja Actor Ashley Johnson Marcy Actor Eric Binns Producer Patrice Lucien Cochet Cinematographer Sven Pape Film Editing Govind Rae Production Design Annabelle Harron Costume Design