출연진

• Josh Gad — Dogs: Bailey / Buddy / Tino / Ellie (voice)
• Dennis Quaid — Adult Ethan
• Peggy Lipton — Adult Hannah
• Bryce Gheisar — Ethan - 8 Years Old
• KJ Apa — Teen Ethan
• Juliet Rylance — Elizabeth - Ethan's Mom
• Luke Kirby — Jim - Ethan's Dad
• Gabrielle Rose — Grandma Fran
• Michael Bofshever — Grandpa Bill
• Britt Robertson — Teen Hannah
• Logan Miller — Todd
• Kirby Howell-Baptiste — Maya Williams
• Pooch Hall — Al
• John Ortiz — Carlos
• Nicole LaPlaca — Wendi
• Primo Allon — Victor
• Michael Patric — Sam
• Jane McGregor — Rachel
• Kelly-Ruth Mercier — Atlanta Vet
• Alicia Johnston — Hysterical Mother
• Naomi Frenette — Kidnapped Girl
• Cory Wojick — Puppy Mill Owner
• Dean Monroe McKenzie — Detective
• Christopher Pearce — Policeman
• John Bluethner — Professor
• Grant Burr — Hardware Store Clerk
• Tom Young — Hardware Store Employee
• Chris Webb — Kidnapper
• Jim Kirby — Townsperson
• Paul Jarrett — Police Lieutenant
• Caroline Cave — Ellen - Boss' Wife
• Peter Kelamis — Dad's Boss
• Kwesi Ameyaw — Cop
• Robert Mann — Delivery Workman