VERONICA MUST FIND THE COMPUTER HACKER WHO LEAKED THE SCANDALOUS RESULTS OF AN ONLINE "PURITY TEST" TO THE ENTIRE SCHOOL, ON "VERONICA MARS," TUESDAY, NOV. 23 ON UPN

Tina Majorino ("Napoleon Dynamite") Guest Stars as Mac

"Like A Virgin" -- To help restore a cheerleader's ruined reputation, Veronica turns to funky computer geek Mac (guest star Tina Majorino) to find the hacker responsible for leaking the embarrassing, private results of a popular online �purity test� to all of Neptune High, on the new drama VERONICA MARS, Tuesday, Nov. 23 (9:00-10:00 PM, ET/PT) on UPN. Guy Bee directed the episode from a script written by Aury Wallington.

Meanwhile, Keith helps Wallace and his mom with an unruly tenant in their building. Later, to get answers about Lilly�s murder, Veronica attempts to visit Lilly's confessed, condemned killer Abel Koontz in prison.

Veronica Mars: Kristen Bell
Keith Mars: Enrico Colantoni
Wallace Fennel: Percy Daggs III
Duncan Kane: Teddy Dunn
Logan Echolls: Jason Dohring
Eli "Weevil" Navarro: Francis Capra
Mallory Dent: Sydney Tamiia Poitier
Cliff McCormack: Daran Norris
Meg: Alona Tal
Kimmy: Annie Abrams
Pam: Shanna Collins
Alicia Fennel: Erica Gimpel
Cat Fighter: Karenssa Legear
Darrell: Reuben D'Anthony
Skinny Metalhead: Daniel C. Baisden
Computer Teacher: Carl Bresk
Dick Casablancas: Ryan Hansen
Mac: Tina Majorino
Jeremy: Joel Bissonnette
Cole: Daniel Bess
Deputy Sacks: Brandon Hillock
Lizzie: Anastasia Baranova
Choir Teacher: Gwendolyn Oliver
Lars: Mike King
Renny Demouy: Robert Dobrev
Mrs. Murphy: Linda Castro
Abel Koontz: Christian Clemenson

RATING: To Be Announced