Jennifer Garner Sydney Bristow Actor Victor Garber Jack Bristow Actor Ron Rifkin Arvin Sloane Actor Michael Vartan Michael Vaughn Actor Carl Lumbly Marcus Dixon Actor Kevin Weisman Marshall Flinkman Actor Greg Grunberg Eric Weiss Actor Mía Maestro Nadia Santos Actor Elya Baskin Dr. Josef Vlachko Guest Star Robin Sachs Hans Dietrich Guest Star Marat Oyvetsky Prisoner Guest Star Zena Leigh Beer Maid Guest Star Michael Kenneth Williams Roberts Guest Star Andrew Kirsanov Christof Goedde Guest Star J.J. Abrams Executive Producer John Eisendrath Executive Producer Ken Olin Executive Producer Breen Frazier Writer Lawrence Trilling Director