Reparto:
James McAvoy - Kevin Wendell Crumb / The Horde / The Beast / Patricia / Dennis / Hedwig / Barry / Jade / Orwell / Heinrich / Norma
Bruce Willis - David Dunn / The Overseer
Samuel L. Jackson - Elijah Price / Mr. Glass
Anya Taylor-Joy - Casey Cooke
Sarah Paulson - Dr. Ellie Staple
Spencer Treat Clark - Joseph Dunn
Charlayne Woodard - Mrs. Price
Luke Kirby - Pierce
Marisa Brown - Carol
Ursula Triplett - Hospital Patient
Brian Donahue - Security Guard
Lory Molino - Background
Raul Torres - Comic Book Seller
M. Night Shyamalan - Jai
Rob Yang - Heo Byung-Woo
Jane Park Smith - Korean Mother
Adam David Thompson - Daryl
Diana Silvers - Cheerleader
Shannon Destiny Ryan - Cheerleading Girl #2
Nina Wisner - Cheerleading Girl #3
Kyli Zion - Cheerleading Girl #4
Shayna Ryan - Hospital Patient
Jessica Heller - French Woman
Aurora Karine - Distraught Passenger
Jon Douglas Rainey - S.W.A.T.
Vincent Riviezzo - Train Passanger
Jennifer Butler - Factory Worker
Serge Didenko - Powerfully Built Young Man
Sarah Grgic - Scarlett Shields
Andrew Hunsicker - Security Guard
Matt Jacobs - Sniper