Sydney Bristow, an agent who has been tricked to believe she is working for the U.S. government is actually working for a criminal organization named the Alliance of Twelve. Upon learning this, Sydney becomes a double agent for the real CIA.
|Jennifer Garner||Sydney Bristow|
|Michael Vartan||Michael Vaughn|
|Ron Rifkin||Arvin Sloane|
|Victor Garber||Jack Bristow|
|Kevin Weisman||Marshall Flinkman|
|Carl Lumbly||Marcus Dixon|
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