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James McAvoy

Dennis

James McAvoy

Patricia

James McAvoy

Hedwig

Anya Taylor-Joy

Casey Cooke

Betty Buckley

Dr. Karen Fletcher

Haley Lu Richardson

Claire Benoit

Jessica Sula

Marcia

Izzie Coffey

Five-Year-Old Casey

Brad William Henke

Uncle John

Sebastian Arcelus

Casey's Father

Neal Huff

Mr. Benoit

Ukee Washington

News Anchor

Ann Wood

Game Show Enthusiast

Robert Michael Kelly

Joe

M. Night Shyamalan

Jai

M. Night Shyamalan

Hooters Lover

Rosemary Howard

Kevin's Mother

Jerome Gallman

Vince, Security Guard

Lyne Renée

Academic Moderator

Kate Jacoby

Dr. Fletcher's Patient

Peter Patrikios

Taxi Driver