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

Jacob Laval
as Austin (13yr)

Meghann Fahy
as Teresa

Gavin Warren
as Logan (11y)

Drew Powell
as Joe

Patricia Heaton
as Marcia (Scott's Mom)

Todd Terry
as Dick (Scott's Dad)

Liza Marie Gonzalez
as Delivery Doctor

Arianne Martin
as Nurse

Kurt Yue
as OI Doctor