- 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 — S1E21
Episode: Isobel
Air Date: 2010-05-06
Runtime: 43 min
Overview
Isobel returns to town and stuns Alaric with her attitude and her demands that he arrange a meeting with Elena. When mother and daughter finally meet, Isobel refuses to answer most of Elena’s questions, but reveals that she will stop at nothing to find the mysterious invention Johnathan Gilbert has been searching for. Isobel’s dangerous actions lead Stefan, Damon and Bonnie to step in and help Elena deal with the situation.