Elenco - Horton Hatches the Egg
Kent Rogers
Horton / Peter Lorre Fish (voice) (uncredited)
Sara Berner
Maysie / Baby (voice) (uncredited)
Mel Blanc
Mouse / Hunters / Audience Member (voice) (uncredited)
Frank Graham
Narrator (voice) (uncredited)
Robert Clampett
Various (voice) (uncredited)