Dennis Quaid character Arthur
Cloris Leachman character Memaw
J. Michael Finley character Bart Millard
Brody Rose character Young Bart
Madeline Carroll character Shannon
Gianna Simone character Dr. Avondale
Kevin Downes character Singleton
Jason Burkey character Mike
Rhoda Griffis character Jen
Tanya Clarke character Adele
Nicole DuPort character Amy Grant
Priscilla C. Shirer character Mrs. Fincher
Taegen Burns character Young Shannon
Trace Adkins character Brickell
Mark Furze character Nathan
Randy McDowell character Jim
Cole Marcus character Robbie
Alexander Dominguez character Kent
J.R. Cacia character Rusty
Mark Robert Ellis character Coach
Samuel Sadovnik character Young Kent
Kerry McCormick character Nurse
David Norona character Bill Layton
Bill 'Bubba' Bussey Jr. character Radio DJ #2
Jake B. Miller character Michael W. Smith
