John Erick Dowdle Director, Screenwriter, Film Editing Stacy Chbosky Cheryl Dempsey Actor Ben Messmer Ed Actor Samantha Robson Samantha Actor Ivar Brogger Leonard Schway Actor Lou George Felton Lewis Actor Amy Lyndon Alice Endrisart Actor Michael Lawson Simon Alray Actor Ron Harper Mike Moakes Actor Drew Dowdle Writer, Executive Producer Ward Barnett Executive Producer Stephen Chbosky Executive Producer Patrick Lussier Executive Producer Shawn Dufraine Cinematographer Keefus Ciancia Original Music Alethea Root Production Design Andrew Gormley Art Director Ryanah Peterson Set Decoration Annie Bloom Costume Design