Raymie Muzquiz Director Stuart Livingston Director Mason Vale Cotton Arnold Voice Benjamin Flores Jr. Gerald Johanssen Voice Francesca Smith Helga Pataki , Sheena Jefferson Voice Anndi McAfee Phoebe Heyerdahl Voice Dan Castellaneta Grandpa Phil Voice Tress MacNeille Grandma Pookie Voice Justin Shenkarow Harold Berman Voice Olivia Hack Rhonda Wellington Lloyd Voice Gavin Lewis Eugene Horowitz Voice Aiden Lewandowski Sid Voice Jet Jurgensmeyer Stinky Peterson Voice Laya DeLeon Hayes Nadine Voice Craig Bartlett Screenwriter, Executive Producer Joseph Purdy Screenwriter Donna Castricone Producer Jim Lang Original Music Kent Beyda Film Editing Collette Sunderman Casting Jerry Richardson Art Director