Michael Johnson Director, Screenwriter Kodi Smit-McPhee James Charm Actor Isabelle Fuhrman Val Actor Virginia Madsen Abigail Charm Actor Danny DeVito Dr. Pembry Actor Evan Ross Harmon Actor Hannah Barefoot Crystal Actor Pat Janowski Carolyn Actor Tabor Helton William Charm Actor Chase Offerle Cory Actor Sarah Buckley Gunny Actor Jonathan Schwartz Producer Andrea Sperling Producer Nick Frenkel Executive Producer Glenn Howerton Executive Producer Audrey Wilf Executive Producer Zygi Wilf Executive Producer Adam Newport-Berra Cinematographer John-Michael Powell Film Editing David Storm Production Design Taylor Vignali Art Director Jenelle Giordano Set Decoration Savannah Johnson Costume Design Eyde Belasco Casting