Alyson Hanigan's portrayal of Willow defined Buffy the Vampire Slayer's heart and soul. Original actress Riff Regan was cast as Willow in the unaired pilot but lacked chemistry with the cast.

The return of Buffy the Vampire Slayer is gathering momentum ... Nova is described as "more Willow than Buffy". In the original show, Willow is an academically-driven introvert played by Alyson ...

Spike (James Marsters) shouldn't come back for the Buffy the Vampire Slayer reboot, but Alyson Hannigan should reprise her Willow Rosenberg role.

With the Buffy revival under works, there are some characters that are better left in the past instead of bringing back in ...