Lasse Hallström Director Josh Gad Bailey, Buddy, Tino, Ellie Voice Dennis Quaid Ethan Montgomery Actor Peggy Lipton Adult Hannah Actor Bryce Gheisar Ethan - 8 Years Old Actor K.J. Apa Teen Ethan Actor Juliet Rylance Ethan's Mom Actor Luke Kirby Ethan's Dad Actor Gabrielle Rose Grandma Fran Actor Michael Bofshever Grandpa Bill Actor Britt Robertson Teen Hannah Actor Logan Miller Todd Actor Kirby Maya Actor Pooch Hall Al Actor John Ortiz Carlos Actor Nicole LaPlaca Wendi Actor Primo Allon Victor Actor W. Bruce Cameron Screenwriter Cathryn Michon Screenwriter Audrey Wells Screenwriter Maya Forbes Screenwriter Wallace Wolodarsky Screenwriter Alan C. Blomquist Executive Producer Mark Sourian Executive Producer Lauren Pfeiffer Executive Producer Gavin Polone Producer Terry Stacey Cinematographer Robert Leighton Film Editing Rachel Portman Original Music Michael Carlin Production Design Réjean Labrie Supervising Art Direction Larry Spittle Art Director Craig Sandells Set Decoration Shay Cunliffe Costume Design John Papsidera Casting