- Paul Wesley (Stefan Salvatore)
- Ian Somerhalder (Damon Salvatore)
- Kat Graham (Bonnie Bennett)
- Candice King (Caroline Forbes)
- Zach Roerig (Matt Donovan)
- Michael Malarkey (Enzo St. John)
- Matthew Davis (Alaric Saltzman)
The Vampire Diaries — S4E21
Episode: She's Come Undone
Air Date: 2013-05-02
Runtime: 42 min
Overview
Damon and Stefan try a brutal new approach to provoke Elena into turning her humanity back on, and Caroline is frustrated when her attempt to intervene backfires. When Elena figures out a way to call the Salvatore brothers' bluff, they call for backup from a surprising source. Matt gives Rebekah some unsolicited advice on her life choices, and she tries to help him in return. Caroline has a confusing and dangerous encounter with Klaus, and Katherine is suspicious when Bonnie makes her an offer that she promises will benefit them both.