Christina Ricci as Ellie

Joshua Jackson as Jake

Jesse Eisenberg as Jimmy

Judy Greer as Joannie

Scott Baio as Scott Baio

Milo Ventimiglia as Bo

Kristina Anapau as Brooke

Portia de Rossi as Zela

Shannon Elizabeth as Becky

Mya as Jenny

El Solar as Zipper

Daniel Edward Mora as Jose

Jonny Acker as Earl

Eric Ladin as Louie

Derek Mears as Werewolf

Nick Offerman as Officer

Ken Rudulph as Newscaster

Michelle Krusiec as Nosebleed Co-Worker

Shashawnee Hall as Wrestling Coach

Craig Kilborn as Craig Kilborn

Emily O'Deile as Co-Worker

Lance Bass as Lance Bass

Egan Friedlander as Bouncer

Randolph LeRoi as Randy

Brian Boone as Frantic Bouncer

Gary Dubin as Police Officer #1

Chris Johnson as Police Officer #2

Wilmer Calderon as Police Officer #3

Brett Rickaby as Animal Control Officer

Michael Rosenbaum as Kyle (uncredited)

Doug Berry as Paramedic (uncredited)

Erik Rodham Clinton as Band Member (uncredited)

Brandon Cox as Penguin Guy #2 (uncredited)

Jason Cox as Grady (uncredited)

Jason Dottley as Werewolf (voice) (uncredited)

John Embry as Sarge (uncredited)

Jason Aaron Goldberg as VIP (uncredited)

Tanja Kindler as Bartender (uncredited)

Bill Mehlem as EMT (uncredited)

Greg Nicotero as Man Pushing Dracula's Coffin (uncredited)

Jason Pierce as Nick (uncredited)

Hans Raith as Nightclub Security (uncredited)

Johnny Ray as Security Guard (uncredited)

Jaret Reddick as Band Member (uncredited)

Joseph D. Reitman as Mummy DJ (uncredited)

Brian Rueter as Police Officer (uncredited)

Christopher Van Malmsteen as Band Member (uncredited)

Gary Wiseass as Band Member (uncredited)

Roger L. Jackson as Werewolf (voice) (uncredited)