Jennifer Garner Sydney Bristow Actor Michael Vartan Michael Vaughn Actor Bradley Cooper Will Tippin Actor Merrin Dungey Francie Calfo Actor Carl Lumbly Marcus Dixon Actor Ron Rifkin Arvin Sloane Actor Kevin Weisman Marshall Flinkman Actor Victor Garber Jack Bristow Actor Amy Irving Emily Sloane Guest Star Greg Grunberg Eric Weiss Guest Star Joseph Ruskin Alain Christophe Guest Star Derrick O'Connor Alexander Khasinau Guest Star Kamala Lopez Dr. Lemon Guest Star Philippe Bergeron Lucques Trepanier Guest Star Angela Nogaro Make-Up Artist Guest Star Christopher Dukes Alpha Team Leader Guest Star David Anders Julian Sark Guest Star Wolf Muser Ramon Veloso Guest Star Yvans Jourdain Second Door Guard Guest Star Tom Waite Russian Interrogator Guest Star J.J. Abrams Executive Producer John Eisendrath Executive Producer Ken Olin Executive Producer, Director Erica Messer Writer Debra J. Fisher Writer