Julian Sark is originally introduced as an operative working for Sydney's mother, but later proves to be an antagonist on his own. He has an instinct for self-preservation, thus making his loyalty flexible.
Appearances
Alias
Main cast, played by David Anders
- Episode 2x01: The Enemy Walks In (Sep 29, 2002)
- Episode 2x02: Trust Me (Oct 6, 2002)
- Episode 2x03: Cipher (Oct 13, 2002)
- Episode 2x04: Dead Drop (Oct 20, 2002)
- Episode 2x05: The Indicator (Nov 3, 2002)
- Episode 2x06: Salvation (Nov 10, 2002)
- Episode 2x07: The Counteragent (Nov 17, 2002)
- Episode 2x08: Passage (Part 1) (Dec 1, 2002)
- Episode 2x09: Passage (Part 2) (Dec 8, 2002)
- Episode 2x10: The Abduction (Dec 15, 2002)
- Episode 2x11: A Higher Echelon (Jan 5, 2003)
- Episode 2x12: The Getaway (Jan 12, 2003)
- Episode 2x13: Phase One (Jan 26, 2003)
- Episode 2x15: A Free Agent (Feb 9, 2003)
- Episode 2x16: Firebomb (Feb 23, 2003)
- Episode 2x17: A Dark Turn (Mar 2, 2003)
- Episode 2x18: Truth Takes Time (Mar 16, 2003)
- Episode 2x19: Endgame (Mar 30, 2003)
- Episode 2x20: Countdown (Apr 27, 2003)
- Episode 2x21: Second Double (May 4, 2003)
- Episode 2x22: The Telling (May 4, 2003)
- Episode 3x01: The Two (Sep 28, 2003)
- Episode 3x02: Succession (Oct 5, 2003)
- Episode 3x03: Reunion (Oct 12, 2003)
- Episode 3x04: A Missing Link (Oct 19, 2003)
- Episode 3x05: Repercussions (Oct 26, 2003)
- Episode 3x06: The Nemesis (Nov 2, 2003)
- Episode 3x07: Prelude (Nov 9, 2003)
- Episode 3x08: Breaking Point (Nov 23, 2003)
- Episode 3x09: Conscious (Nov 30, 2003)
- Episode 3x10: Remnants (Dec 7, 2003)
- Episode 3x11: Full Disclosure (Jan 11, 2004)
- Episode 3x12: Crossings (Jan 18, 2004)
- Episode 3x13: After Six (Feb 15, 2004)
- Episode 3x14: Blowback (Mar 7, 2004)
- Episode 3x15: Facade (Mar 14, 2004)
- Episode 3x16: Taken (Mar 21, 2004)
- Episode 3x17: The Frame (Mar 28, 2004)
- Episode 3x18: Unveiled (Apr 11, 2004)
- Episode 3x19: Hourglass (Apr 18, 2004)
- Episode 3x20: Blood Ties (Apr 25, 2004)
- Episode 3x21: Legacy (May 2, 2004)
- Episode 3x22: Resurrection (May 23, 2004)
Guest cast, played by David Anders
- Episode 1x14: The Coup (Feb 24, 2002)
- Episode 1x15: Page 47 (Mar 3, 2002)
- Episode 1x20: The Solution (Apr 21, 2002)
- Episode 1x21: Rendezvous (May 5, 2002)
- Episode 1x22: Almost Thirty Years (May 12, 2002)
- Episode 4x08: Echoes (Feb 23, 2005)
- Episode 4x09: A Man of His Word (Mar 2, 2005)
- Episode 5x08: Bob (Dec 7, 2005)
- Episode 5x14: I See Dead People (May 10, 2006)
- Episode 5x15: No Hard Feelings (May 17, 2006)
- Episode 5x16: Reprisal (May 22, 2006)
- Episode 5x17: All the Time in the World (May 22, 2006)