Danny DeVito
Sam Stone
Bette Midler
Barbara Stone
Judge Reinhold
Ken Kessler
Helen Slater
Sandy Kessler
Anita Morris
Carol Dodsworth
Bill Pullman
Earl James Mott
William G. Schilling
Chief Henry Benton
Art Evans
Lt. Bender
Clarence Felder
Lt. Walters
J.E. Freeman
Bedroom Killer
Gary Riley
Heavy Metal Kid
Frank Sivero
The Mugger
Phyllis Applegate
Loan Officer
Jeannine Bisignano
Hooker in Car
J.P. Bumstead
Technician
Jon Cutler
Stereo Store Customer
Susan Marie Snyder
Stereo Store Customer
Jim Doughan
Cop at Sam's House
Christopher J. Keene
Cop at Jail
Henry Noguchi
Coroner
Arnold F. Turner
Cop with Killer Picture
Bob Tzudiker
Sam's Attorney
Charles A. Vanegas
Arresting Cop
Louise Yaffe
Social Worker
Janet Rotblatt
Secretary to Chief of Police
Charlotte Zucker
Judge
Art Bonilla
Waiter
Rick DeReyes
Newscaster
Mie Hunt
Newscaster
Ron Tank
Newscaster
Susan Stadner
Aerobic Instructor
Beth R. Johnson
Aerobic Instructor
Richard Wilson
Aerobic Instructor
Twyla Littleton
Model
Mary Elizabeth Thompson
Elderly Woman
Phil Hartman
Newsreader (uncredited)