Billy Cook
— Tom Sawyer
Donald O'Connor
— Huckleberry Finn
Porter Hall
— Uncle Silas Phelps
Phil Warren
— Jeff Rutledge
Janet Waldo
— Ruth Phelps
Elisabeth Risdon
— Aunt Sally Phelps
William Haade
— Jupiter Dunlap / Jake Dunlap
Edward Pawley
— Brace Dunlap
Clem Bevans
— Sheriff "Turkeyneck" Slocum
Raymond Hatton
— Judge Tyler
Howard M. Mitchell
— Elmer Hawkins, Prosecutor
Stanley Price
— Clayton
Harry Worth
— Dixon
Clara Blandick
— Aunt Polly
Si Jenks
— Farmer Sykes
Etta McDaniel
— Tulip
Oscar Smith
— Curfew
Monte Blue
— Sheriff Walker
Foy Van Dolsen
— Alex Cooper