Lindsay Weir
Sam Weir
Daniel Desario
Neal Schweiber
Ken Miller
Nick Andopolis
Bill Haverchuck
Jean Weir
Harold Weir
Kim Kelly
Jeff Rosso (as Dave 'Gruber' Allen)
Mr. Fleck
Discotheque DJ
Sara
Harris Trinsky
Gordon Crisp
Frank Kowchevski
Mr. Casper
Hector Lacovara
Laurie
Victor (as Russel Harper)
Freak
Discotheque Bouncer
Eugene the Disco Magician
Jock #1
Jock #2
Disco Jermaine (as Jerome E. Scott)
Student
Jock #3
Humphries (uncredited)
Geek (uncredited)
Disco Dancer (uncredited)
Stroker (uncredited)