The Index

Episode Number: 4.10

Original Air Date: March 9, 2005

Written By: J.R. Orci & Alison Schapker

Directed By: Lawrence Trilling

Press release copyright ABC.

SYDNEY'S RELATIONSHIP WITH NADIA IS THREATENED WHEN SHE BELIEVES THAT SLOANE IS TRYING TO REBUILD THE ALLIANCE, AND VAUGHN LEARNS A STARTLING SECRET ABOUT HIS FATHER, ON ABC'S "ALIAS"

Angela Bassett ("How Stella Got Her Groove Back," "Waiting to Exhale," "What's Love Got to Do with It") Guest Stars as CIA Director Hayden Chase

"The Index" - Sydney's theory that Sloane is trying to re-form the Alliance threatens her relationship with Nadia, who refuses to believe her father is double-crossing the CIA. Meanwhile, Vaughn learns the first of possibly many startling secrets about his father. Angela Bassett guest stars as CIA Director Hayden Chase, on "Alias," WEDNESDAY, MARCH 9 (9:01-10:02 p.m., ET), on the ABC Television Network.

Guest starring are Angela Bassett as Hayden Chase, Michael Des Barres as Miles Devereaux, Lynne Moody as Rosemary, Kevin Scott Allen as French police officer, Osman Soykut as alliance member no. 1, Adriane Nichols as nurse, Daniel Kaemon as techie no. 1 and Adam Logan as techie no. 2.