James McAvoy Dennis / Patricia / Hedwig / The Beast / Kevin Wendell Crumb / Barry / Orwell / Jade
Anya Taylor-Joy Casey Cooke
Bruce Willis David Dunn (uncredited)
Haley Lu Richardson Claire Benoit
M. Night Shyamalan Jai, Hooters Lover, Director, Writer, Producer
Diane Dixon Hair Department Head
Kim Director Hannah (uncredited)
Diane Heery Local Casting
Stephen Mann Stunts
Brad William Henke Uncle John
Paul Maiello Construction Coordinator
Jason Loftus Local Casting
Matthew Shapiro Post Production Supervisor
Steve F.B. Smith Sound Designer
Luke Ciarrocchi Editor
Jessica Sula Marcia
Betty Buckley Dr. Karen Fletcher
Manny Siverio Stunt Coordinator
Sebastian Arcelus Casey's Father
Dave Kellom Art Department Coordinator
Susan Jacobs Music Supervisor
Linda Källérus Still Photographer
Lawrence Zipf Sound Effects Editor
Jason Blum Producer
John Rusk First Assistant Director
Michael Hatzer Digital Colorist
Michael Feuser Dialogue Editor
Neal Huff Mr. Benoit
Rosemary Howard Kevin's Mother
Buddy Patrick Executive Producer
Ashwin Rajan Executive Producer
Kevin Scott Frakes Executive Producer
Vincent Riviezzo Detective (uncredited)
Bruce Winant Game Show Host (voice)
Rachel Ambelang VFX Editor
Aaron Becker Title Designer
Douglas Aibel Casting
Peter Patrikios Taxi Driver
Dann Fink Game Show Contestant (voice)
Lyne Renee Academic Moderator
Skip Lievsay Supervising Sound Editor
Stephen Izzi Stunts
Nakia Dillard Police Officer #2
Roberto Lopez Stunts
Izzie Coffey Five-Year-Old Casey
Marc Bienstock Producer, Unit Production Manager
Mike Gioulakis Director of Photography
Paco Delgado Costume Design
Robert Bizik Bar Patron (uncredited)
Henry Russell Bergstein Casting Associate
Amy Lauritsen Second Assistant Director
Jesse Rosenthal Art Direction
Teresa Binder Westby Assistant Costume Designer
Robert Michael Kelly Joe
Kyle Rudolph Camera Operator
Michael Leonard First Assistant Camera
Gary Ayash Restaurant Patron (uncredited)
Brick Mason Storyboard Artist
Angeline Zeigler Set Costumer
Chris Colombo Stunts
Jennifer Wessner Visual Effects Producer
Tod A. Maitland Sound Mixer
Steven Schneider Executive Producer
Bryan Baker Assistant Editor
Jennifer Engel Set Decoration
Pamela Peitzman Makeup Department Head
Rita Squitiere Costume Supervisor
Junnie Lopez Geraldo (uncredited)
John McEnerney Stunts
Roy James Wilson Security Guy with Dog
Charles S. Rowe Script Supervisor
Christopher Lee Philips Older Worker