Frank GorshinDaffy Duck / Foghorn Leghorn (voice) Thurl RavenscroftNarrator (voice) Eric GoldbergMarvin the Martian / Tweety Bird / Porky Pig (voice) Jim CummingsTasmanian Devil (voice) Bob BergenPorky Pig (archive footage) Paul JulianRoad Runner (voice) (archive sound) (uncredited) Chuck JonesRegista / Produttore / Storia Stephen A. FossatiSceneggiatore / Produttore Linda Jones CloughProduttore Cameron PatrickCompositore Musicale Originale 
