Jackie Coogan
— Tom Sawyer
Junior Durkin
— Huckleberry Finn
Mitzi Green
— Becky Thatcher
Jackie Searl
— Sid Sawyer
Eugene Pallette
— Duke of Bilgewater
Clarence Muse
— Jim
Clara Blandick
— Aunt Polly
Jane Darwell
— Widow Douglas
Oscar Apfel
— The King
Warner Richmond
— Pap Finn
Charlotte Henry
— Mary Jane
Lillian Harmer
— Miss Watson
Guy Oliver
— Judge Thatcher
Edith Fellows
— Schoolgirl (uncredited)
Betty Jane Graham
— Little Girl (uncredited)
Dannie Mac Grant
— (uncredited)
Edward LeSaint
— Doc Robinson (uncredited)
Frank McGlynn Sr.
— Second teacher (uncredited)
Cecil Weston
— Mrs. Thatcher (uncredited)
Aileen Manning
— Abigail Martin
Effie Palmer
Dora Short
— Ella