Bart Millard

J. Michael Finley

Acting

Arthur

Dennis Quaid

Acting

Memaw

Cloris Leachman

Acting

Young Bart

Brody Rose

Acting

Shannon

Madeline Carroll

Acting

Dr. Avondale

Gianna Simone

Acting

Singleton

Kevin Downes

Acting

Mike

Jason Burkey

Acting

Jen

Rhoda Griffis

Acting

Adele

Tanya Clarke

Acting

Amy Grant

Nicole DuPort

Acting

Mrs. Fincher

Priscilla C. Shirer

Acting

Young Shannon

Taegen Burns

Acting

Brickell

Trace Adkins

Acting

Nathan

Mark Furze

Acting

Jim

Randy McDowell

Acting

Robbie

Cole Marcus

Acting

Kent

Alexander Dominguez

Acting

Rusty

J.R. Cacia

Acting

Coach

Mark Robert Ellis

Crew

Young Kent

Samuel Sadovnik

Acting

Nurse

Kerry McCormick

Acting

Bill Layton

David Norona

Acting

Radio DJ #2

Bill 'Bubba' Bussey Jr.

Acting

Michael W. Smith

Jake B. Miller

Acting

Coach (uncredited)

Ed Spinelli

Acting