M. Night Shyamalan Director, Screenwriter, Producer James McAvoy Kevin Wendell Crumb Actor Anya Taylor-Joy Casey Cooke Actor Betty Buckley Dr. Karen Fletcher Actor Haley Lu Richardson Claire Benoit Actor Jessica Sula Marcia Actor Izzie Coffey Five-Year-Old Casey Actor Brad William Henke Uncle John Actor Sebastian Arcelus Casey's Father Actor Neal Huff Mr. Benoit Actor Jason Blum Producer Marc Bienstock Producer Steven Schneider Executive Producer Ashwin Rajan Executive Producer Kevin Scott Frakes Executive Producer Buddy Patrick Executive Producer Mike Gioulakis Cinematographer Luke Franco Ciarrocchi Film Editing West Dylan Thordson Original Music Mara LePere-Schloop Production Design Jesse Rosenthal Art Director Jennifer Engel Set Decoration Paco Delgado Costume Design Douglas Aibel Casting