Lucy Lawless as D'Anna Biers in
Lucy Lawless as D'Anna Biers in "Battlestar Galactica."
  • Lucy Lawless told Business Insider there was a "culture of anxiety" on the "Battlestar Galactica" set.
  • The actor joined the science fiction show in 2005 during season two.
  • Lawless said actors were also under a lot of pressure not to reveal spoilers. 

Lucy Lawless told Business Insider that she found it difficult joining "Battlestar Galactica" because of a "culture of anxiety" among the show's actors who didn't know if they would get killed off.

Lawless joined the show's second season in 2005 as news reporter D'Anna Biers, who was later revealed to be a robotic Cylon named Number Three.