Robin Williams
Dale Putley

Billy Crystal
Jack Lawrence

Julia Louis-Dreyfus
Carrie Lawrence

Nastassja Kinski
Collette Andrews

Charlie Hofheimer
Scott Andrews

Bruce Greenwood
Bob Andrews

Dennis Burkley
Calvin the Trucker

Charles Rocket
Russ Trainor

Patti D'Arbanville
Shirley Trainor

Jared Harris
Lee

Louis Lombardi
Matt

Mark McGrath
Sugar Ray Band

Jason Reitman
Wrong Kid in Alley

Catherine Reitman
Victoria

Dana Gould
Room Service Waiter

Meagen Fay
Megan

Harry Northup
Reno Jail Cop

Paul Herman
Mr. Barmore

J. Anthony Pena
Boat Painter (as Jose Esau Pena)

Craig Bullock
Sugar Ray Band

Matthew Murphy Karges
Sugar Ray Band

Rodney Sheppard
Sugar Ray Band

Tom Verica
Peter

Jennifer Crystal Foley
Rose

Rhino Michaels
Roadie #2

William Hall
Hotel Clerk

Ricky Harris
Bellhop

Susan Traylor
Flight Attendant

Mary Gillis
Slot Machine Lady

Jennifer Echols
Ball Park Vendor

Tamara Zook
Francine the Waitress

Frank Medrano
Mechanic

Elston Ridgle
Security Guard

Lee Weaver
Airline Passenger

Mel Gibson
Scott the Body Piercer (uncredited)

Mary McCormack
Virginia Farrell (uncredited)