The following is a partial list of characters from the TV series, Alias:

• Sydney Bristow, played by Jennifer Garner
• Michael Vaughn, played by Michael Vartan
• Lauren Reed, played by Melissa George
• Jack Bristow, played by Victor Garber
• Arvin Sloane, played by Ron Rifkin
• Marcus Dixon, played by Carl Lumbly
• Marshall Flinkman, played by Kevin Weisman
• Eric Weiss, played by Greg Grunberg
• Will Tippin, played by Bradley Cooper
• Francie Calfo, played by Merrin Dungey
• Julian Sark, played by David Anders
• Irina Derevko, played by Lena Olin
• Nadia Santos, played by Mia Maestro
• Carrie Bowman, played by Amanda Foreman
• Milo Rambaldi, an Italian Renaissance inventor and prophet
• F.B.I. Asst. Director Kendall, played by Terry O'Quinn

Notable guest stars

• Anna Espinosa, played by Gina Torres (season 1, 4)
• McKenas Cole, played by Quentin Tarantino (season 1, 3)
• Edward Poole, played by Roger Moore (season 1)
• CIA Agent James L. Lennox, played by Ethan Hawke (season 2)
• Dr. Neil Caplan, played by Christian Slater (season 2)
• Ariana Kane, played by Faye Dunaway (season 2)
• Conrad, played by David Carradine (season 2-3)
• Kazari Bomani, played by Djimon Hounsou (season 3)
• Yekaterina "Katya" Derevko, played by Isabella Rossellini (season 3-4)
• Dr. Brezzel, played by David Cronenberg (season 3)
• Toni Cummings, played by Vivica A. Fox (season 3)
• Kazu Tamazaki, played by Rick Yune (season 4)