Official website: http://www.sylviothemovie.com
Sylvio Bernardi
Self
Kentucker Audley
Al Reynolds
Tallie Medel
Maggie
Russell Quinn Cummings
Zookeeper
Gabriel Gundacker
(voice)
Avery Monsen
(voice)
Constance Shulman
Tina
Nicholas Gurewitch
Uncle Otis