Party Monster

Macaulay Culkin

Michael Alig

Seth Green

James St. James

Chloë Sevigny

Gitsy

Natasha Lyonne

Brooke

Wilmer Valderrama

Kioki

Wilson Cruz

Angel

Diana Scarwid

Elke

Dylan McDermott

Peter Gatien

Marilyn Manson

Christina

Mia Kirshner

Natasha

Janis Dardaris

TV Reporter

Manny Perez

Johnny

Justin Hagan

Freez

John Stamos

Talk Show Host

Daniel Franzese

The Rat

Michael Kaycheck

Ben

Steven Marcus

Bill

Amanda Lepore

Self (uncredited)