Bobby Driscoll as Jeremiah 'Jerry' Kincaid

Luana Patten as Tildy

Beulah Bondi as Granny Kincaid

Burl Ives as Uncle Hiram Douglas

Harry Carey as Head Judge at County Fair

Raymond Bond as Pete Grundy - Storekeeper

Walter Soderling as Grampa Meeker

Matt Willis as Mr. Burns - Horse Trainer

Spelman B. Collins as Judge

John Beal as Jeremiah as an Adult - Narrator (voice)

Ken Carson as Voice of Wise Old Owl (voice)

Bob Haymes as Singer Bob Haymes (voice)

Marion Darlington as Whistling Sound Effect (voice) (uncredited)

Clarence Nash as Vocal Sound Effect (voice) (uncredited)

Jud Conlon's Rhythmaires as Vocal Ensemble (voice) (as The Rhythmaires)