Ice

Episode Number: 4.04

Original Air Date: January 19, 2005

Written By: Jeffrey Bell

Directed By: Jeffrey Bell

Press release copyright ABC.

SYDNEY AND VAUGHN GO UNDERCOVER TO TRACK DOWN A DEADLY BIO-WEAPON, VAUGHN'S INNER-DEMONS OVER DECEASED WIFE LAUREN BEGIN TO SURFACE, AND NADIA ASKS JACK ABOUT HER MOTHER, IRINA, ON ABC'S "ALIAS"

"Ice" - Sydney goes undercover as an earthy social worker and Vaughn as a lascivious, semi-tipsy priest to track down a deadly new bio-weapon. Meanwhile, Sydney is frightened when Vaughn's inner-demons regarding deceased wife Lauren come to the surface, and Nadia turns to a reluctant Jack to learn truths about her mother, Irina, on "Alias," WEDNESDAY, JANUARY 19 (9:01-10:02 p.m., ET), on the ABC Television Network.

Guest starring are Richard Speight Jr. as Modell, Kelly Macdonald as Kiera MacLaine, Mark Aiken as Fintan Keene, Michael J. McKay as injured soldier and Daniel Kash as soldier.