Reparto:
James McAvoy - Kevin Wendell Crumb / Patricia / Dennis / Hedwig / The Beast / Barry / Heinrich / Jade / Ian / Mary Reynolds / Norma / Jalin / Kat / B.T. / Mr. Pritchard / Felida / Luke / Goddard / Samuel / Polly
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
M. Night Shyamalan - Jai
Security Guard
Adam David Thompson - Daryl
Rosemary Howard - Penelope Crumb
Shannon Destiny Ryan - Cheerleading Girl #1
Diana Silvers - Cheerleading Girl #2
Nina Wisner - Cheerleading Girl #3
Kyli Zion - Cheerleading Girl #4
Russell Posner - T
Skinny Camera Kid
Raul Torres - Comic Book Seller
Serge Didenko - Ronald
Powerful Young Man
Kimberly S. Fairbanks - Assistant Principal
Bryan McElroy - Clarence Crumb
Owen Vitullo - Young Kevin
William Turner - Young Elijah
Johnny Hiram Jamison - Thirteen Year-Old Elijah
Leslie Stefanson - Woman on Train
Marc H. Glick - Train Engineer
Brick Mason - Carnival Barker
Bostin Christopher - Comic Book Counter Guy
Ukee Washington - News Anchor
Colin Becker - Ten Year-Old David
Brian Anthony Wilson - Security Guard in Car
Tobias Segal - Surveillance Security Guard
Joseph Thuet - Joe
Security Guard
Tatiana St. Phard - Woman Group Member
Tom DiNardo - Homeless Person
Timothy Chivalette - Comic Book Geek
Jack McCafferty - Comic Book Geek
Darby Schlosser - Foster Sibling
Jordan Coker - Foster Sibling
Xaiver Gerald - Foster Sibling
Tim Duquette - Hospital Patient Jimmy
Nathan Nauroth - Orderly Harrison
Ana Leonard - Hospital Volunteer
Jennifer Butler - Factory Worker (uncredited)
Vincent Riviezzo - Train Passanger (uncredited)
Jessica Heller - French Woman (uncredited)
Rob Yang - Heo Byung-Woo (uncredited)
Jane Park Smith - Korean Mother (uncredited)
Brian Donahue - Security Guard (uncredited)
Aurora Karine - Distraught Passenger (uncredited)
Andrew Hunsicker - Security Guard (uncredited)
Marisa Brown - Carol (uncredited)
Matt Jacobs - Sniper (uncredited)
Jon Douglas Rainey - S.W.A.T. (uncredited)
Shayna Ryan - Hospital Patient (uncredited)
Ursula Triplett - Hospital Patient (uncredited)
Sarah Grgic - Scarlett Shields (uncredited)
Lory Molino - Background (uncredited)