Felicia Day

Kathryn Felicia Day (b. 06/28/1979) is an american actress that played Charlie Bradbury in Season 7's episode The Girl With The Dungeons and Dragons Tattoo.

Day is mostly known for her roles as Vi on Buffy the Vampire Slayer, Penny on Dr. Horrible's Sing-Along Blog and as Cyd Sherman/Codex on The Guild.

She's the 4rt Buffy cast member to appear in Season 7 after James Marsters (Spike), Charisma Carpenter (Cordelia) and Harry Groener (Mayor Wilkins).