ALLISON'S VISIONS COULD LEAD HER TO THE SOURCE OF A POSSIBLE VIRAL BIO-TERROR ATTACK, ON "MEDIUM," FRIDAY, DEC. 4

Guest Stars Include Matt Letscher ("Entourage," "Eli Stone") as Bio-Pathologist Dr. Erik Westphal, Who Has Been Working with the Virus; William Allen Young ("District 9") as FEMA Official Wesley Judson; and CBS2 Los Angeles Anchor Kent Shocknek as a Newscaster

"You Give Me Fever" - When samples of a deadly viral disease go missing, Allison's visions could help prevent a massive bio-terror attack. Also, Scanlon is ready to propose to Lynn, but Bridgette's dreams could foreshadow problems on the horizon, on MEDIUM, Friday, Dec. 4 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Guest stars include Matt Letscher ("Entourage," "Eli Stone") as bio-pathologist Dr. Erik Westphal, who has been working with the virus; William Allen Young ("District 9") as FEMA official Wesley Judson; and CBS2 Los Angeles Anchor Kent Shocknek as a newscaster.

SERIES REGULARS:

Allison Dubois........................ Patricia Arquette
Joe Dubois.................................... Jake Weber
District Attorney Devalos........ Miguel Sandoval
Ariel Dubois............................ Sofia Vassilieva
Bridgette Dubois............................ Maria Lark
Detective Lee Scanlon.................. David Cubitt
Marie Dubois..................... Madison Carabello

GUEST CAST:

Lynn DiNovi.............................. Tina DiJoseph
Dr. Erik Westphal...................... Matt Letscher
Wesley Judson................. William Allen Young
Mitchell Lomis............................ Gregory Sims
Newscaster............................. Kent Shocknek
Doctor.................................... Dariush Kashani

WRITTEN BY: Jordan Rosenberg

DIRECTED BY: Aaron Lipstadt

RATING: To Be Announced