James McAvoy character Kevin Wendell Crumb
Anya Taylor-Joy character Casey Cooke
Betty Buckley character Karen Fletcher
Haley Lu Richardson character Claire Benoit
Jessica Sula character Marcia
Brad William Henke character Uncle John
Sebastian Arcelus character Casey's Father
Neal Huff character Mr. Benoit
Kim Director character Hannah
Lyne Renee character Academic Moderator
M. Night Shyamalan character Jai, Hooters Lover
Peter Patrikios character Taxi Driver
Roy James Wilson character Homeland Security Officer
Robert Bizik character Bar Patron
Izzie Coffey character Five-Year-Old Casey
Rosemary Howard character Kevin's Mother
Junnie Lopez character Geraldo
Steven Dennis character Dan at Next Table
Matthew Nadu character Waiter
Barbara Edwards character Diner Patron
Kash Goins character Flower Kiosk Worker
James Robinson Jr. character Claire's Party Guest
Corinne Costa character Party Guest
John Mitchell character EMT
Andrea Havens character Traveler in the Station
Shawn Gonzalez character Train Conductor
Kelly Werkheiser character Casey's Mother
Aleksandra Svetlichnaya character Pedestrian
Jalina Mercado character Zoo Goer
Michael J. Kraycik character Zoo Worker
Michaela Bockarie character Zoo Attendee
Colin Campbell character Boy in Park
Nakia Dillard character Police Officer #2
John Jillard Sr. character Homeland Security
Julie Potter character Paramedic
Ukee Washington character News Anchor
Christopher Lee Philips character Older Worker
Bruce Willis character David Dunn (uncredited)
Vincent Riviezzo character Detective (uncredited)
Gary Ayash character Restaurant Patron (uncredited)
Jeff Buckner character Police Officer (uncredited)
