"A dog finds the meaning of his own existence through the lives of the humans he meets."
Marg Helgenberger
as Hannah Montgomery
Betty Gilpin
as Gloria Mitchell
Henry Lau
as Trent
Kathryn Prescott
as Clarity June "CJ" Mitchell
Dennis Quaid
as Ethan Montgomery
Josh Gad
as Bailey / Molly / Big Dog / Max (voice)
Abby Ryder Fortson
as Young CJ
Emma Volk
as Toddler CJ
Ian Chen
as Young Trent
Jake Manley
as Shane
Johnny Galecki
as Henry Montgomery
Tyler Asher Xin-Qin
as Saint
Beckett Richard Pin
as 15-Month-Old Saint
Daniela Barbosa
as Liesl
Kevin Claydon
as Barry
Arlene Duncan
as Hilda
Cherissa Richards
as Joan
Kenneth Liu
as Trent's Dad
Stefanie Wiens
as
Angela Narth
as Old Woman
Sally Shepard
as Tour Bus Ticket Taker (uncredited)
Conrad Coates
as Big Joe
Robert Komatsu
Editor
Rogier Stoffers
Director of Photography
Patricia J. Henderson
Costume Design
Jeff Sanca
Stunt Driver
Mark Isham
Original Music Composer
Marny Eng
Stunt Coordinator
Benjamin Mossman
Visual Effects Supervisor
Gail Mancuso
Director
Cathryn Michon
Screenplay
Wallace Wolodarsky
Maya Forbes
W. Bruce Cameron
Novel
Gavin Polone
Producer
Todd Tucker
Special Effects Makeup Artist
Eric Fraser
Production Design
Larry Spittle
Art Direction
Holly Bario
Co-Producer
Allison Glennon
Visual Effects Coordinator
John Papsidera
Casting
