Robin WilliamsProfessor Philip Brainard Marcia Gay HardenDr. Sara Jean Reynolds Christopher McDonaldWilson Croft Raymond J. BarryChester Hoenicker Nancy OlsonSecretary at Ford Motor Company Wil WheatonBennett Hoenicker Edie McClurgMartha George Sam LloydCoach Willy Barker Scott Martin GershinFlubber (voice) / Supervising Sound Editor Julie MorrisonWeebette (voice) Bob SarlatteRutland Coach Scott Michael CampbellDale Jepner Tom BarlowMedfield Basketball Player John HughesScreenplay / Producer David NicksayExecutive Producer Andrew McAlpineProduction Design James E. TocciArt Direction Daniel Loren MaySet Decoration Dean CundeyDirector Of Photography Raymond StellaSecond Unit Director Of Photography Joseph MarkhamCostume Supervisor Cheri MinnsMakeup Supervisor April FerryCostume Design Marianna Åström-De FinaMakeup Artist Mariann YbarraHairstylist Kris RavettoMakeup Artist Carol A. O'ConnellKey Hair Stylist Matthew H. RowlandFirst Assistant Director Carol DePasqualeScript Supervisor Angela C. TortuSecond Assistant Director Peter CrosmanSecond Unit Director / Visual Effects Supervisor Michael A. StevensonEditor Bob PutynkowskiColor Timer Andrew SomersSound Effects Editor Chris HoganSound Effects Editor Jessica GallavanAdr Supervisor Bryan BowenSound Effects Editor Richard Dwan Jr.Sound Effects Editor Dan M. RichDialogue Editor Peter ZindaSound Effects Editor David StankeSound Assistant David W. AlstadterFoley Mixer Kimberly Lowe VoigtAdr Editor Catherine HarperFoley Artist Michael A. ReaganSound Effects Editor Lauren StephensDialogue Editor Terry PorterSound Re-Recording Mixer Constance A. KazmerDialogue Editor Dean A. ZupancicSound Re-Recording Mixer Dan HegemanSound Effects Editor Mark GordonDialogue Editor Arthur FarkasFoley Editor James MorianaFoley Artist Lee W. LebaigueSound Assistant Dino DiMuroSound Effects Editor Michelle PazerSound Assistant Mel MetcalfeSound Re-Recording Mixer Wylie StatemanSupervising Sound Editor Danny ElfmanOriginal Music Composer Scott Martin GershinFlubber (voice) / Supervising Sound Editor Michael PolaireUnit Production Manager Rory EnkeLocation Manager Beau BonneauExtras Casting Barbara HarrisAdr Voice Casting Suzy Sharp-KaneCasting Associate Howard E. BakerAnimation Supervisor Roni McKinleyVisual Effects Producer Tom BertinoVisual Effects Supervisor Douglas SmithVisual Effects Supervisor Daniel SudickSpecial Effects Supervisor Lynda ThompsonVisual Effects Producer Rochelle GrossVisual Effects Coordinator Sandra Ford KarpmanVisual Effects Supervisor John ClintonVisual Effects Producer Samuel W. TaylorShort Story 
