Kirk R. Thatcher Director Christopher Lloyd Dr. Bonanodon Voice Drew Massey Sid Voice Alice Dinnean Gabriela Voice Julianne Buescher May , Grandma Voice Bruce Lanoil Bobbybot , Ira , Zippa , Dr. Bonabodon (face) Actor Victor Yerrid Gerald , Dad , Popo Actor Donna Kimball Susie , Zeke , Pinki , PA Announcer Actor America Ferrera Dr. Cordova Actor Bradley Zweig Screenwriter, Executive Producer David B. Miller Producer Chris Plourde Producer Lisa Henson Executive Producer Halle Stanford Executive Producer Andrew Yang Executive Producer Brian Anton Film Editing Mike Himelstein Original Music