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 Actor Michael Vartan Michael Vaughn Guest Star David Anders Julian Sark Guest Star Daniel Zacapa The Warden Guest Star Shaun Duke Moosekian First Man Guest Star Perry Wolberg Allen Korman Guest Star Anthony Marciona Luigi Guest Star Michael Gianelli Guard 2 Guest Star Jack Donner The Rose Guest Star J.J. Abrams Executive Producer John Eisendrath Executive Producer Ken Olin Executive Producer Sam Humphrey Writer Tucker Gates Director