Jennifer Garner Sydney Bristow Actor Victor Garber Jack Bristow Actor Ron Rifkin Arvin Sloane Actor Carl Lumbly Marcus Dixon Actor Kevin Weisman Marshall Flinkman Actor Balthazar Getty Thomas Grace Actor Rachel Nichols Rachel Gibson Actor Élodie Bouchez Renee Rienne Actor Amy Acker Kelly Peyton Guest Star Mía Maestro Nadia Santos Guest Star Angus Macfadyen Joseph Ehrmann Guest Star Jay Huguley Doctor Mark Guest Star Ismail Bashey Mr. Halbe Guest Star Jeremy Guskin Moritz Koller Guest Star Amrapali Ambegaokar Female Guest Star J.J. Abrams Executive Producer John Eisendrath Executive Producer Ken Olin Executive Producer Frederick E.O. Toye Director Alison Schapker Writer Monica Owusu-Breen Writer