Alias (2001–2006)
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A Missing Link 

Sydney discovers a link to her missing two years in the form of Simon Walker, the dangerous leader of a group determined on retrieving deadly biological weapons. Meanwhile, Vaughn struggles... See full summary »


Lawrence Trilling


J.J. Abrams (created by), Monica Owusu-Breen (as Monica Breen) | 1 more credit »


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Episode cast overview, first billed only:
Jennifer Garner ... Sydney Bristow
Ron Rifkin ... Arvin Sloane
Michael Vartan ... Michael Vaughn
Carl Lumbly ... Marcus Dixon
Kevin Weisman ... Marshall Flinkman
Melissa George ... Lauren Reed
Greg Grunberg ... Eric Weiss
David Anders ... Julian Sark
Victor Garber ... Jack Bristow
Justin Theroux ... Simon Walker
Clifton Collins Jr. ... Javier Parez
Amanda Foreman ... Carrie Bowman
Ray Proscia ... Laszlo Bogdan
Elizabeth Payne ... Carolyn
Carlos Del Olmo Carlos Del Olmo ... Bouncer


Sydney discovers a link to her missing two years in the form of Simon Walker, the dangerous leader of a group determined on retrieving deadly biological weapons. Meanwhile, Vaughn struggles with his own feelings of jealousy and longing while Sydney is on her mission, aware of the pressures his job is putting on his marriage to Lauren. Jack takes matters into his own hands to protect his daughter, and purposefully revealing Sydney's deadly secret of being a brainwashed assassin for the Covenant during her two-year absence to Dixon in order to preserve her position inside the CIA. Written by Anonymous

Plot Summary | Add Synopsis

Plot Keywords:

virus | past | identity | See All (3) »


TV-14 | See all certifications »






Release Date:

19 October 2003 (USA) See more »

Company Credits

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Technical Specs

Sound Mix:




Aspect Ratio:

1.78 : 1
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Did You Know?


In the scene where Sydney jumps from a high floor into a pool we expect to see two things happening, but they don't. First of all such a jump would force a lot of the pool's water to jump out as if a bomb exploded. That does not happen and we can only see the water's reaction as if someone from the ground level had just taken a plain dive. Also such jump with the above consequences should have first splashed all of the surrounding guests and even if that did not happen, it should have made them curious about the strange woman that has just jumped from a building floor inside the pool, half-naked, in the middle of a party. Yet we see no reaction and a man just gives her a towel as if everything is all right. See more »


Marshall writes Michael Vaughn's height in his fake criminal record as 1.60 meters 60 inches. Michael Vartan is 1.83 meters, and is clearly taller in the picture shown than Jennifer Garner, who is 1.73 meters. Also, 60 inches = 1.524 meters. See more »


Lauren Reed: What about my father?
Arvin Sloane: Well, he knew how badly you wanted to become field rated, and he thought it was too dangerous, so he made sure it didn't happen. But you knew that... didn't you?
See more »


Alias Theme
Written by J.J. Abrams
Performed by Michael Giacchino
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