Lucy Lawless

Former "Xena: Warrior Princess" star Lucy Lawless has signed on for a 10-episode story arc on Sci Fi Channel's red-hot "Battlestar Galactica."

Lawless will reprise the role she took this season as an investigative journalist who turns out to be an undercover agent for the villainous Cylon faction. Lawless' second appearance on the ensemble drama is slated for February 24. Her arc will commence with the show's third season, which begins production in April in Vancouver.

Lawless follows arc to "Galactica"