Felicia Day
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Felicia Day is an American actress and a recurring guest star as the Potential Slayer Vi in the seventh season of the Buffy the Vampire Slayer television series.
She is also the creator[1] of "The Guild" and online video series inspired by (and lampooning) fantasy RPG online gaming.
Day stars (and sings) in Joss Whedon's 2008 Internet musical "Dr. Horrible[2] ", and plays the character Mag in two episodes of Whedon's series Dollhouse - "Epitaph One" and the series finale, "Epitaph Two: Return."
Felicia Day also participated in an episode of the USA Network series Monk, in the episode "Mr. Monk Gets Drunk"
