Kyle Gallner

as Huck Finn

Adam Nee

as Tom Sawyer

Matthew Gray Gubler

as Joe Harper

Hannibal Buress

as Ben Rogers

Melissa Benoist

as Becky Thatcher

Daniel Edward Mora

as Jorge Jiminez

Stephen Lang

as Injun Joe

Eric Christian Olsen

as Sid Sawyer

Johnny Pemberton

as Tommy Barnes

Beth Grant

as Widow Douglas

Cooper Huckabee

as Muff Potter

Lee Garlington

as Lt. Polly

Creed Bratton

as Dobbins

Gabriel Bateman

as Young Huck Finn

Willem Miller

as Young Tom Sawyer

Scott Lusby

as Background Player