Tommy Kelly as Tom Sawyer

May Robson as Aunt Polly

Walter Brennan as Muff Potter

Victor Jory as Injun Joe

David Holt as Sid Sawyer

Jackie Moran as Huckleberry Finn

Nana Bryant as Mrs. Thatcher

Olin Howland as Mr. Dobbins - Schoolmaster

Donald Meek as Sunday School Superintendent

Charles Richman as Judge Thatcher

Victor Kilian as Sheriff

Marcia Mae Jones as Mary Sawyer

Mickey Rentschler as Joe Harper

Cora Sue Collins as Amy Lawrence

Philip Hurlic as Little Jim

Ann Gillis as Becky Thatcher

Margaret Hamilton as Mrs. Harper

Donnie Allen as Schoolboy

Frank Bellan as Schoolboy

Tom Braunger as Schoolboy

Louis Brenn as Schoolboy

Tommy Bupp as Schoolboy

Jackie Butler as Schoolboy

Hugh Chapman as Schoolboy

Luke Cosgrave as Old Soldier

Lon McCallister as Schoolboy

Jimmy Zahner as Boy

Byron Armstrong as Willy Fisher

Arthur Aylesworth as Defense Attorney (uncredited)

Spring Byington as Widow Douglas (uncredited)

Betsy Gay as Susie Harper (uncredited)