Nina Dobrev as Elena Gilbert (23 episodes) / Katherine Pierce (7 episodes, plus 1 voice-only episode) / Silas (1 episode)
Paul Wesley as Stefan Salvatore (23 episodes) / Silas (8 episodes)
Ian Somerhalder as Damon Salvatore (23 episodes) / Silas (1 episode)
Steven R. McQueen as Jeremy Gilbert (17 episodes) / Silas (1 episode)
Kat Graham as Bonnie Bennett (18 episodes)
Zach Roerig as Matt Donovan (17 episodes) / Silas (1 episode)
Candice Accola as Caroline Forbes (19 episodes) / Silas (2 episodes)
Michael Trevino as Tyler Lockwood (12 episodes, plus 1 voice-only episode) / Klaus (1 episode)
Joseph Morgan as Klaus Mikaelson (19 episodes) / Silas (1 episode)
