Twilight Star on The Vampire Diaries - 4x14 “Down the Rabbit Hole“

- Click to Subscribe! - Visit our site! - Become a Fan! - Follow Us! The unthinkable is set to go down on an upcoming episode of “The Vampire Diaries“ titled “Down the Rabbit Hole“ -- as the worlds of the Twilight Saga and TVD finally collide. Twilight cast member Charlie Bewely will appear in the episode where he’ll play vampire hunter Vaughn and we’re getting our first look at him now.