When a medical emergency pulls the Goss family apart, determined dog Winstead will do all he can to bring his humans back together before Christmas Eve.

Dennis Quaid
as Sander

Milo Ventimiglia
as Hunter

Brooke Lena Johnson
as Ello

Kathleen Rose Perkins
as Juliana

Jennifer Tilly
as Lucille

Thomas Haden Church
as Winstead (voice)

Mary Steenburgen
as Claire

Ethan Loomis
as Sean

Marissa Jaret Winokur
as Nurse Miller

Cathryn Michon
as Mrs. O'Brien