Katie Featherston as Katie Featherston

Kathryn Newton as Alex Nelson

Matt Shively as Ben

Aiden Lovekamp as Wyatt Nelson

Brady Allen as Robbie

Stephen Dunham as Doug Nelson

Alexondra Lee as Holly Nelson

Georgica Pettus as Sarah

Alisha Boe as Tara

Brendon Eggertsen as Derek

Constance Esposito as Robbie's Mom's Friend

Ty Dawson as Shadow Boy

Brian Boland as Daniel (archive footage) (uncredited)

Sprague Grayden as Kristi (archive footage) (uncredited)

Sara Mornell as Debbie (uncredited)

William Juan Prieto as Hunter (uncredited)

Jennifer Hale as Additional Voices (voice)

Emily Brobst as Dead Woman (uncredited)

Jamieson Deacy as Soccer Kid