The Vampire Diaries

Know Thy Enemy

E17    Apr 7, 2011    43m    TV-14
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Elena and Alaric both lash out at John when Isobel’s unexpected arrival leaves Jenna devastated. Bonnie works with Damon and Jeremy to find the spell they’ll need to harness her ancestors’ power. A heartbroken Caroline doesn’t know what to do about Matt. Stefan and Damon realize they have a new secret weapon.
Where to Watch Know Thy Enemy
Cast of Know Thy Enemy
  • Nina DobrevElena Gilbert / Katherine Pierce
  • Paul WesleyStefan Salvatore / Silas
  • Ian SomerhalderDamon Salvatore
  • Steven R. McQueenJeremy Gilbert
  • Sara CanningJenna Sommers
  • Kat GrahamBonnie Bennett
  • Candice KingCaroline Forbes
  • Zach RoerigMatt Donovan
  • Michael TrevinoTyler Lockwood
  • Matthew DavisAlaric Saltzman
  • Mia Kirshner
  • Michael RoarkCowboy
  • Marguerite MacIntyreSheriff Liz Forbes
  • David AndersJohn Gilbert

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