From
ABC Medianet:
SYDNEY AND VAUGHN SEEK THE AID OF KATYA DEREVKO AND TONI CUMMINGS IN ORDER TO TRACK DOWN SLOANE AND HIS DAUGHTER, NADIA -- SYDNEY'S HALF-SISTER -- ON ABC'S ALIAS
Isabella Rossellini Guest Stars as Katya Derevko
Vivica A. Fox (Kill Bill, Independence Day) Guest Stars as Toni Cummings
Mia Maestro (Frida) Guest Stars as Nadia
Legacy With the aid of Katya Derevko (Isabella Rossellini) and CIA imprisoned security systems designer Toni Cummings (Vivica A. Fox, Kill Bill, Independence Day), Sydney and Vaughn attempt to track down Sloane and his daughter, Nadia (Mia Maestro, Frida) Sydney's half-sister. But Lauren and Sark are also in hot pursuit of Sloane and Nadia in order to uncover the secrets of Rambaldi. Meanwhile, Vaughn's obsession with tracking down Lauren is beginning to consume him, Sydney and Vaughn turn the tables on an old foe, and Katya expresses her attraction to Jack, on Alias, SUNDAY, MAY 2 (9:00-10:00 p.m., ET), on the ABC Television Network.
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 Mia Maestro as Nadia, Isabella Rossellini as Katya, Mikhail Tank as Russian guard, Ismail Abou-El-Kanater as contact, Ric Young as suit and glasses, Vivica A. Fox as Toni Cummings, Britney Espinoza as young Nadia and Mio Dzakula as groggy Russian guard.
Legacy was written by Jesse Alexander and directed by Lawrence Trilling.