Cast
John Considine
Professor Kloppner, Eastbrook Academy
Steve Alterman
Additional Voices (voice)
Annabeth Gish
Tammy
Rita Taggart
Betty Libner
Fred Ornstein
Barney
Dean Jacobson
Young Marvin
Joseph Bologna
Uncle Phil
James Gammon
Dr. Sturgeon The Cadillac Surgeon
Ray Lykins
Rick
Terry Loughlin
Gas Station Attendant
Edan Gross
Young Bobby
Judi Durand
Additional Voices (voice)
Patrick Dempsey
Robert 'Bobby' Libner
Randy Herman
Dog Track Gambler (uncredited)
Arye Gross
Buddy Libner
ألان آركين
Fred Libner
David McCharen
Additional Voices (voice)
Daniel Stern
Marvin Libner
Larry Moss
Additional Voices (voice)