Richard Dreyfuss as Curt Henderson

Ron Howard as Steve Bolander

Paul Le Mat as John Milner

Charles Martin Smith as Terry 'The Toad' Fields

Cindy Williams as Laurie Henderson

Candy Clark as Debbie Dunham

Mackenzie Phillips as Carol

Wolfman Jack as XERB Disc Jockey

Bo Hopkins as Joe Young

Manuel Padilla Jr. as Carlos

Beau Gentry as Ants

Harrison Ford as Bob Falfa

Jim Bohan as Holstein

Jana Bellan as Budda

Deby Celiz as Wendy

Lynne Marie Stewart as Bobbie

Terence McGovern as Mr. Wolfe

Kathleen Quinlan as Peg

Timothy F. Crowley as Eddie

Scott Beach as Mr. Gordon

John Brent as Car Salesman

Gordon Analla as Bozo

John Bracci as Station Attendant

Jody Carlson as Girl in Studebaker

Del Close as Man at Bar (Guy)

Chuck Dorsett as Man at Accident

Stephen Knox as Kid at Accident

Joe Miksak as Man at Liquor Store

George Meyer as Bum at Liquor Store

James Cranna as Thief

Johnny Weissmuller Jr. as Badass #1

William Niven as Clerk at Liquor Store

Al Nalbandian as Hank

Bob Pasaak as Dale

Christopher Pray as Al

Susan Richardson as Judy

Jan Dunn as Old Woman

Charlie Murphy as Old Man

Ed Greenberg as Kip

Lisa Herman as Girl in Dodge

Mark Anger as Mr. Kroot

Kay Lenz as Jane

Caprice Schmidt as Announcer at Dance

Joe Spano as Vic

Debralee Scott as Falfa's Girl

Ron Vincent as Jeff

Donna Wehr as Carhop

Cam Whitman as Balloon Girl

Jan Wilson as Girl at Dance

Suzanne Somers as Blonde in T-Bird

Fred Ross as Ferber

George Lucas as Pinkie’s Pizza Employee (voice) (uncredited)