‘Supernatural’ and the Whedonverse: 20 Stars Who’ve Crossed Over

In many ways, Supernatural resembles a show created by Joss Whedon. It has similar supernatural elements and both have huge online fan bases. They also share plenty of the same actors. Sometimes a star from a Whedon show comes to Supernatural as a guest star, and other times a prominent Supernatural star started with a small role on one of Joss Whedon’s four TV shows: Buffy the Vampire Slayer, Angel, Firefly or Dollhouse. Here are 20 stars who’ve appeared in both worlds.