Anthony Michael Hall character Gary Wallace
Kelly LeBrock character Lisa
Ilan Mitchell-Smith character Wyatt Donnelly
Bill Paxton character Chet Donnelly
Suzanne Snyder character Deb
Judie Aronson character Hilly
Robert Rusler character Max
Robert Downey Jr. character Ian
Steve James character Guy At Table
Vernon Wells character Lord General
Michael Berryman character Mutant Biker
Jill Whitlow character Perfume Salesgirl
Britt Leach character Al Wallace
Kym Malin character Girl Playing Piano
John Kapelos character Dino
Prince Hughes character Party Guest (as Prince A. Hughes)
Ann Coyle character Carmen Donnelly
Suzy J. Kellems character Gymnast
Chino 'Fats' Williams character Bar Patron
Robin Frohman character Girl in Bathroom
Alison Carole Lowe character Girl in Upside Down Bathroom
Rick Le Fevour character Policeman (as Rick LeFevor)
James Huffman character Young Kid at Party (uncredited)
Michael K. Washko character Mall Shopper (uncredited)
Ivor Barry character Henry Donnelly
