Steve Martin

Gil Buckman

Mary Steenburgen

Karen Buckman

Dianne Wiest

Helen Buckman Lampkin Bowman

Jason Robards

Frank Buckman

Rick Moranis

Nathan Huffner

Tom Hulce

Larry Buckman

Martha Plimpton

Julie Buckman-Lampkin Higgins

Keanu Reeves

Tod Higgins

Harley Jane Kozak

Susan Buckman

Joaquin Phoenix

Garry Buckman-Lampkin

Dennis Dugan

David Brodsky

Eileen Ryan

Marilyn Buckman

Helen Shaw

Grandma

Jasen Fisher

Kevin Buckman

Paul Linke

George Bowman

Alisan Porter

Taylor Buckman

Zachary La Voy

Justin Buckman

Ivyann Schwan

Patty Huffner

Alex Burrall

Cool Buckman

Lowell Ganz

Stan

Rance Howard

Dean at College

Max Elliott Slade

Young Gil Buckman

Clint Howard

Lou

Lamont Lofton

Fotomat Clerk

Erika Rafuls

Amy

Jordan Kessler

Matt

Billy Cohen

Eddie

Isabel Cooley

Barbara Rice

Walter von Huene

Opposing Coach

Howie Dorough

Kid in Classroom (uncredited)

Greg Gerard

Doctor Lucas

Paul Keeley

Kevin Buckman - Age 21

Claudio Jacobellis

Student 1 at College

W. Bruce O'Donoghue

Umpire

Hillary Matthews

Student 2 at Collage

Sherry Ferguson

Screaming Co-ed

Todd Hallowell

Track Official

Richard Kuhlman

Young Frank Buckman

Charmin Lee

Nurse at Hospital

Bryce Dallas Howard

Redheaded Audience Girl (uncredited)