Kyle Gallner
— Huck Finn
Adam Nee
— Tom Sawyer
Matthew Gray Gubler
— Joe Harper
Hannibal Buress
— Ben Rogers
Melissa Benoist
— Becky Thatcher
Daniel Edward Mora
— Jorge Jiminez
Stephen Lang
— Injun Joe
Eric Christian Olsen
— Sid Sawyer
Johnny Pemberton
— Tommy Barnes
Beth Grant
— Widow Douglas
Cooper Huckabee
— Muff Potter
Lee Garlington
— Lt. Polly
Creed Bratton
— Dobbins
Gabriel Bateman
— Young Huck Finn
Willem Miller
— Young Tom Sawyer
Scott Lusby
— Background Player