IN ORDER TO SAVE NADIA, SYDNEY MUST BRING DOWN FORMER NEMESIS ANNA ESPINOSA, WHILE VAUGHN CONFRONTS MR. SARK, ON ABC'S "ALIAS"

Gina Torres ("24") Returns in the Role of Anna Espinosa and David Anders Makes a Guest Appearance as Julian Sark

"Echoes" - With Nadia's life on the line, Sydney must race to bring down former nemesis Anna Espinosa (Gina Torres, "24"). Meanwhile, Vaughn's inner demons surface when, in order to help Sydney save Nadia, he's forced to confront his own former nemesis, the slippery and deadly Mr. Sark (David Anders), on "Alias," SUNDAY, FEBRUARY 23 (9:01-10:02 p.m., ET), on the ABC Television Network.

"Alias" stars Jennifer Garner as Sydney Bristow, Victor Garber as Jack Bristow, Ron Rifkin as Arvin Sloane, Michael Vartan as Michael Vaughn, Carl Lumbly as Marcus Dixon, Kevin Weisman as Marshall Flinkman, Greg Grunberg as Eric Weiss and Mia Maestro as Nadia Santos.

Guest starring are Gina Torres as Anna Espinosa, David Anders as Julian Sark, Morgan Sheppard as Mr. Sabine, Darrel Guilbeau as desk clerk, Sebastian Roche as Willem Karg, Scott Vinci as waiter, Sven Holmberg as stranger, Nick Jaine as Dr. Jain and Paul Green as prison guard.

"Echoes" was written by Josh Appelbaum & Andre Nemec and directed by Dan Attias.

"Alias" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound.

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