Robert 'Bobby' Libner
Buddy Libner
Marvin Libner
Tammy
Betty Libner
Uncle Phil
Fred Libner
Dr. Sturgeon The Cadillac Surgeon
Rick
Raymond
Billy Sturgeon
Professor Kloppner, Eastbrook Academy
Policeman #1
Policeman #2
Gas Station Attendant
Gas Station Attendant #2
Barney
Fishing Buddy
Waitress
Young Bobby
Young Buddy
Young Marvin
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Dog Track Gambler (uncredited)
Dog Track Gambler (uncredited)
Dog Track Gambler (uncredited)