Found this spoiler at
alias-media.com/The following is the official episode description for Episode 13: After Six.
SPOILERS
ALIAS WHILE SYDNEY AND VAUGHN TRY TO GAIN THE UPPER HAND ON THE COVENANT, A FAMILIAR FORCE IS AT WORK REORGANIZING THE MALEVOLENT AGENCY
Quentin Tarantino Returns as McKenas Cole in a Special Guest Appearance
Vivica A. Fox ("Kill Bill," "Independence Day") Guest Stars as Rogue Security Systems Designer Toni Cummings
67645_0459 -- ALIAS - -After Six- - Upon discovering that high ranking members of The Covenant are being murdered, Sydney and Vaughn are sent to retrieve the Doleac Agenda - which contains operational plans for six of The Covenant's cells - to gain an advantage over the rogue assassins. But unbeknownst to all, a familiar force is at work orchestrating the reorganization of The Covenant. Meanwhile Sydney and Weiss go on a mission to convince rogue security systems designer Toni Cummings (Vivica A. Fox, "Kill Bill," "Independence Day") to help the CIA break into a Lethal Response System, Sark presents a business proposal to Lauren, Jack urges a troubled Sloane to talk with CIA psychiatrist Dr. Judy Barnett (Patricia Wettig, -thirtysomething-), and Marshall can't contain his excitement about becoming a father when Carrie goes into labor. Quentin Tarantino returns in a special guest appearance as McKenas Cole, on -Alias,- SUNDAY, FEBRUARY 15 (9:00-10:00 p.m., ET), on the ABC Television Network. (ABC/SCOTT GARFIELD)VIVICA A. FOX, JENNIFER GARNER, GREG GRUNBERG
"Alias" stars Jennifer Garner as Sydney Bristow, Victor Garber as Jack Bristow, Ron Rifkin as Arvin Sloane, Michael Vartan as Michael Vaughn, Carl Lumbly as Marcus Dixon, Kevin Weisman as Marshall Flinkman, Melissa George as Lauren Reed, Greg Grunberg as Eric Weiss and David Anders as Mr. Sark.
Guest starring are Patricia Wettig as Barnett, Laetitia Danielle as saleslady, Ian Buchanan as Johannes Gathird, Vivica A. Fox as Cummings, Amanda Foreman as Carrie, Quentin Tarantino as Cole and Alex Stemkovsky as tuxedoed guard.
"After Six" was written by Alison Schapker & Monica Breen and directed by Maryann Brandon.
"Alias" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound. ABC Media Net.