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 Sônia Braga Elena Derevko Guest Star Angela Bassett Hayden Chase Guest Star Nick Jaine Dr. Maneesha Jain Guest Star Lena Olin Irina Derevko, Laura Bristow Guest Star Gina Torres Anna Espinosa Guest Star Isabella Rossellini Katya Derevko Guest Star Joel Grey Another Mr. Sloane Guest Star Rob Benedict Brodien Guest Star Taso Papadakis Aleksander Petrovich Guest Star Rick Yune Kazu Tamazaki Guest Star Michael Kenneth Williams Roberts Guest Star Andrew Divoff Lucien Nisard Guest Star J.J. Abrams Executive Producer, Writer John Eisendrath Executive Producer Ken Olin Executive Producer, Director Breen Frazier Writer Josh Appelbaum Writer Alison Schapker Writer Jeff Pinkner Writer Jeffrey Bell Director, Writer Drew Goddard Writer Lawrence Trilling Director Monica Owusu-Breen Writer J.R. Orci Writer Andre Nemec Writer Kevin Hooks Director Jeff Melvoin Writer Craig Zisk Director Maryann Brandon Director