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 David Anders Julian Sark Actor Greg Grunberg Eric Weiss Actor Terry O'Quinn F.B.I. Assistant Director Kendall Guest Star Bill Bolender Oleg Madrczyk Guest Star Mark Bramhall Andrian Lazarey Guest Star Steven Shaw Minister Guest Star George Gerdes Analyst Guest Star Yasha Blackman Man in the Wheelchair Guest Star J.J. Abrams Executive Producer John Eisendrath Executive Producer Ken Olin Executive Producer Jesse Alexander Writer Lawrence Trilling Director