Dennis Quaid

Ethan Montgomery

Marg Helgenberger

Hannah Montgomery

Josh Gad

Bailey / Molly / Big Dog / Max (voice)

Arlene Duncan

Hilda

Ian Chen

Young Trent

Johnny Galecki

Henry Montgomery

Conrad Coates

Big Joe

Jake Manley

Shane

Betty Gilpin

Gloria Mitchell

Abby Ryder Fortson

Young CJ

Kathryn Prescott

Clarity June "CJ" Mitchell

Kevin Claydon

Barry

Daniela Barbosa

Liesl

Henry Lau

Trent

Cherissa Richards

Joan

Angela Narth

Old Woman

Victoria Sanchez

Andi

Kenneth Liu

Trent's Dad

Emma Volk

Toddler CJ

Tyler Asher Xin-Qin

Saint

Beckett Richard Pin

15-Month-Old Saint

Stefanie Wiens

Actor

Sally Shepard

Tour Bus Ticket Taker (uncredited)

Gail Mancuso

Director