Samara Weaving as Grace

Mark O'Brien as Alex Le Domas

Adam Brody as Daniel Le Domas

Henry Czerny as Tony Le Domas

Andie MacDowell as Becky Le Domas

Melanie Scrofano as Emilie Le Domas

Kristian Bruun as Fitch Bradley

Elyse Levesque as Charity Le Domas

Nicky Guadagni as Helene Le Domas

John Ralston as Stevens

Liam MacDonald as Georgie Bradley

Ethan Tavares as Gabe Bradley

Hanneke Talbot as Clara

Celine Tsai as Tina

Daniela Barbosa as Dora

Chase Churchill as Young Alex Le Domas

Etienne Kellici as Young Daniel Le Domas

Andrew Anthony as Charles

Elana Dunkelman as Young Helene Le Domas

Kate Ziegler as Young Becky Le Domas

James Eddy as Masked Family Member #1

Adam Winlove-Smith as Masked Family Member #2

Alicia Richardson as Police Officer

Nat Faxon as Justin (voice)

Guy Busick as Richard (uncredited)

R. Christopher Murphy as Charlie (uncredited)

James Vanderbilt as Mr. LeBail (uncredited)