Patrick Wilson as Josh Lambert

Rose Byrne as Renai Lambert

Lin Shaye as Elise Rainier

Ty Simpkins as Dalton Lambert

Barbara Hershey as Lorraine Lambert

Steve Coulter as Carl

Leigh Whannell as Specs

Angus Sampson as Tucker

Andrew Astor as Foster Lambert

Hank Harris as Carl (adult)

Jocelin Donahue as Lorraine Lambert (adult)

Lindsay Seim as Elise Rainier (adult)

Danielle Bisutti as Parker Crane's Mother

Tyler Griffin as Parker Crane (young)

Garrett Ryan as Josh Lambert (young)

Tom Fitzpatrick as Bride in Black / Parker Crane (old)

Priscilla Garita as Natalie

Michael Beach as Detective Sendal

J. LaRose as Long Haired Fiend

Brooke Peoples as Neighbor Jessica

Edwina Findley as Hillary

Stephanie Pearson as Dark Haired Woman

Jorge-Luis Pallo as Brian

Jenna Ortega as Annie

Dannay Rodriguez as Allison

Sienna Farall as Coma Ward Nurse

Jack Walsh as Old Man in the Further

Brynn Bowie as Kali Lambert

Madison Bowie as Kali Lambert

Dylan Quigg as Ghoul (uncredited)

Kimberly Ables Jindra as Bride (uncredited)