Ben Affleck
Charlie Maguire
Tye Sheridan
JR Maguire
Daniel Ranieri
Young JR Maguire
Lily Rabe
Dorothy Maguire
Christopher Lloyd
Grandpa Maguire
Max Martini
The Voice, JR's father
Rhenzy Feliz
Wesley
Briana Middleton
Sidney
Max Casella
Chief
Sondra James
Grandma Maguire
Michael Braun
Bobo
Matthew Delamater
Joey D
Ivan Leung
Jimmy
Danielle Ranieri
Aunt Ruth
