Roy Scheider (Harry Mitchell)
Ann-Margret (Barbara Mitchell)
Vanity (Doreen)
John Glover (Alan Raimy)
Robert Trebor (Leo Franks)
Anthony Palmer (Tom)
Shirley Thompson (Party Goer)
Robin Bronfman (Injured Driver)
Conroy Gedeon (James Boyer)
Lenora Logan (Lady in Hall)
Arlin Miller (Celebrity Voice Impersonation)
Louis Di Giaimo (Actor/Actress)
Frank Sivero (Vendor)
Debra Berger (O'Boyle's Wife)
John Francis (Policeman)
Blackie Dammett (Drug Dealer)
Barbara Ferris (Lisa)
Bill Gratton (Ed Salvon)
Alex Henteloff (Dan Lowenthal)
Ron Hyatt (Party Goer)
Amber Lynn (Party Goer)
Tom Byron (Party Goer)
Sharon Mitchell (Party Goer)
Christopher Cory (Factory Worker)
Lonny Chapman (Jim O'Boyle)
Kelly Preston (Cini)
Clarence Williams III (Bobby Shy)
Doug McClure (Averson)