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Sydney Bristow is a college girl who leads a double life. While she continues her education at college she is also a spy.
Originally thinking she was working for a special department in the CIA, Sydney comes to realise she is in fact working for SD-6, the very enemy which the CIA is fighting against. After realising this she walks into the CIA headquarters at Langley and reveals everything, turning herself into a double agent.
She is now striving to bring down SD-6 from the inside with the occasional help of a man she hardly knows who is also a double agent inside SD-6, her father…
Alias Series Overview
| Season | Episodes | First Aired |
|---|---|---|
| 1 – [Episode Guide] | 22 | 30 September 2001 |
| 2 – [Episode Guide] | 22 | 29 September 2002 |
| 3 – [Episode Guide] | 22 | 28 September 2003 |
| 4 – [Episode Guide] | 22 | 5 January 2005 |
| 5 – [Episode Guide] | 17 | 29 September 2005 |
Alias Cast List
 | Jennifer Garner | Sydney Bristow | 105 Episodes, 2001 – 2006 |
 | Ron Rifkin | Arvin Sloane | 105 Episodes, 2001 – 2006 |
 | Carl Lumbly | Marcus Dixon | 105 Episodes, 2001 – 2006 |
 | Kevin Weisman | Marshall Flinkman | 105 Episodes, 2001 – 2006 |
 | Victor Garber | Jack Bristow | 105 Episodes, 2001 – 2006 |
 | Michael Vartan | Michael Vaughn | 95 Episodes, 2001 – 2006 |
 | Greg Grunberg | Eric Weiss | 55 Episodes, 2001 – 2006 |
 | David Anders | Julian Sark | 55 Episodes, 2002 – 2006 |
 | Merrin Dungey | Francie Calfo | 47 Episodes, 2001 – 2006 |
 | Bradley Cooper | Will Tippin | 46 Episodes, 2001 – 2006 |
 | Mia Maestro | Nadia Santos | 31 Episodes, 2004 – 2006 |
 | Lena Olin | Irina Derevko | 27 Episodes, 2002 – 2006 |
 | Melissa George | Lauren Reed | 22 Episodes, 2003 – 2005 |
 | Terry O’Quinn | FBI Assistant Director Kendall | 18 Episodes, 2002 – 2004 |
 | Rachel Nichols | Rachel Gibson | 17 Episodes, 2005 – 2006 |
