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