Samara Weaving

Grace

Adam Brody

Daniel

Mark O'Brien

Alex

Henry Czerny

Tony

Andie MacDowell

Becky

Melanie Scrofano

Emilie

Kristian Bruun

Fitch

Elyse Levesque

Charity

Nicky Guadagni

Aunt Helene

John Ralston

Stevens

Liam MacDonald

Georgie

Ethan Tavares

Gabe

Hanneke Talbot

Clara

Celine Tsai

Tina

Daniela Barbosa

Dora

Chase Churchill

Young Alex

Etienne Kellici

Young Daniel

Andrew Anthony

Charles

Elana Dunkelman

Young Helene

Kate Ziegler

Young Becky

James Eddy

Masked Family Member #1

Adam Winlove-Smith

Masked Family Member #2

Alicia Richardson

Police Officer

Nat Faxon

Justin (voice)

Guy Busick

Richard (uncredited)

R. Christopher Murphy

Charlie (uncredited)

James Vanderbilt

Mr. LeBail (uncredited)