Robin Williams
Professor Philip Brainard
Acting
Marcia Gay Harden
Dr. Sara Jean Reynolds
Acting
Christopher McDonald
Wilson Croft
Acting
Raymond J. Barry
Chester Hoenicker
Acting
Clancy Brown
Smith
Acting
Nancy Olson
Secretary at Ford Motor Company
Acting
Ted Levine
Wesson
Acting
Wil Wheaton
Bennett Hoenicker
Acting
Edie McClurg
Martha George
Acting
Jodi Benson
Weebo (voice)
Acting
Leslie Stefanson
Sylvia
Acting
Malcolm Brownson
Father
Acting
Benjamin Brock
Window Boy
Acting
Dakin Matthews
Minister
Acting
Zack Zeigler
Teenage Boy
Acting
Sam Lloyd
Coach Willy Barker
Acting
Scott Martin Gershin
Flubber (voice)
Sound
Julie Morrison
Weebette (voice)
Acting
Bob Sarlatte
Rutland Coach
Acting
Scott Michael Campbell
Dale Jepner
Acting
Bob Greene
Referee
Acting
Tom Barlow
Medfield Basketball Player
Acting