Coupe de Ville

Patrick Dempsey

Robert 'Bobby' Libner

Arye Gross

Buddy Libner

Daniel Stern

Marvin Libner

Annabeth Gish

Tammy

Rita Taggart

Betty Libner

Joseph Bologna

Uncle Phil

Alan Arkin

Fred Libner

James Gammon

Dr. Sturgeon The Cadillac Surgeon

Ray Lykins

Rick

Chris Lombardi

Raymond

Josh Segal

Billy Sturgeon

John Considine

Professor Kloppner, Eastbrook Academy

Steve Boles

Policeman #1

Don Tilley

Policeman #2

Terry Loughlin

Gas Station Attendant

Reid 'Pete' Shook

Gas Station Attendant #2

Fred Ornstein

Barney

Don Sheldon

Fishing Buddy

Boots Crowder

Waitress

Edan Gross

Young Bobby

Michael Weiner

Young Buddy

Dean Jacobson

Young Marvin

Steve Alterman

Additional Voices (voice)

Terrence Beasor

Additional Voices (voice)

Joe Chapman

Additional Voices (voice)

Brian K. Doughty

Additional Voices (voice)

Judi Durand

Additional Voices (voice)

Barbara Hey

Additional Voices (voice)

Carol King

Additional Voices (voice)

David McCharen

Additional Voices (voice)

Larry Moss

Additional Voices (voice)

Erin Ferdinand

Dog Track Gambler (uncredited)

Randy Herman

Dog Track Gambler (uncredited)

Robert Westerfield

Dog Track Gambler (uncredited)