When Scott and Teresa LeRette learn that their son Austin is both autistic and has brittle bone disease, they initially worry for their son’s future. But with Scott’s growing faith and Austin’s incredible spirit, they become 'unbreakable', finding joy, gratitude, and courage even in the most trying times.

Zachary Levi
as Scott LeRette

Meghann Fahy
as Teresa LeRette

Jacob Laval
as Austin LeRette

Drew Powell
as Joe

Gavin Warren
as Logan LeRette

Patricia Heaton
as Marcia

Todd Terry
as Dick

Liza Marie Gonzalez
as Delivery Doctor

Arianne Martin
as Nurse

Kurt Yue
as OI Doctor