Tommy Kelly
Tom Sawyer
May Robson
Aunt Polly
Walter Brennan
Muff Potter
Victor Jory
Injun Joe
David Holt
Sid Sawyer
Jackie Moran
Huckleberry Finn
Nana Bryant
Mrs. Thatcher
Olin Howland
Mr. Dobbins - Schoolmaster
Donald Meek
Sunday School Superintendent
Charles Richman
Judge Thatcher
Victor Kilian
Sheriff
Marcia Mae Jones
Mary Sawyer
Mickey Rentschler
Joe Harper
Cora Sue Collins
Amy Lawrence
Philip Hurlic
Little Jim
Ann Gillis
Becky Thatcher
Margaret Hamilton
Mrs. Harper
Donnie Allen
Schoolboy
Frank Bellan
Schoolboy
Tom Braunger
Schoolboy
Louis Brenn
Schoolboy
Tommy Bupp
Schoolboy
Jackie Butler
Schoolboy
Hugh Chapman
Schoolboy
Luke Cosgrave
Old Soldier
Lon McCallister
Schoolboy
Jimmy Zahner
Boy
Byron Armstrong
Willy Fisher
Arthur Aylesworth
Defense Attorney (uncredited)
Spring Byington
Widow Douglas (uncredited)