Mark Hamill as Kenneth W. Dantley Jr.

Annie Potts as Vanessa

Eugene Roche as Ed McGrath

William Bryant as Plain Clothes Police Lecturer

Richard McKenzie as Principal Bacon

Kim Milford as Wayne Lowry

Philip Bruns as Gil

Danny Bonaduce as Kootz

Albert Insinnia as Ricci

Jane A. Johnston as Mrs. Dantley

Stanley Kamel as Las Vegas Con Man

Clifford A. Pellow as Older John

Jason Ronard as Wayne's Chain-Wielding Henchman

Brion James as Wayne's Car Wash Henchman

Morgan Upton as New Owner of Vanessa's Van

Wendie Jo Sperber as Kuchinsky

Dick Miller as Mr. Lucky

Jonathan Terry as Van Nuys Policeman

Isaac Ruiz as Tico

William Pierson as Gas Station Salesman

Richard Altman as Teacher

MacIntyre Dixon as Counterman

Harlan Warde as Las Vegas Police Lieutenant

T.K. Carter as Car Washer Employee

Jan Burrell as Gas Station Customer

Nathan Jung as Bouncer

Richard Roat as Desk Clerk

Paddi Edwards as Loop Gaffer

David Byrd as Loop Cameraman

Bill Gentry as Mr. Borodino