Nina Dobrev as Elena Gilbert/Katherine Pierce
Paul Wesley as Stefan Salvatore/Silas
Ian Somerhalder as Damon Salvatore
Steven R. McQueen as Jeremy Gilbert
Katerina Graham as Bonnie Bennett
Zach Roerig as Matt Donovan
Candice Accola as Caroline Forbes
Michael Trevino as Tyler Lockwood
Claire Holt as Rebekah Mikaelson
Grace Phipps as April Young
Rick Worthy as Rudy Hopkins
Marguerite MacIntyre as Elizabeth Forbes
Arielle Kebbel as Lexi Branson
When the Vampire Diaries season 5 returns on October 3rd, There well be 6 new faces.
Olga Fonda as Nadia
Janina Gavankar as Tessa
Kendrick Sampson as Jesse
Rick Cosnett as Dr. Wes Maxfield
Shaun Sipos as Aaron
Paul Wesley as Mr. Shadow Self Silas
Damon Salvatore is Stefan Salvatore's older brother. It is implied that Stefan and Damon have been alive for more than 145 years, and that there was a love triangle between Damon, Stefan, and Katherine. Katherine was in love with both of them and before she left town (and faked her death) she turned them (fed them her blood before they died), but she still couldn't decide who she wanted to be with. But later (when she comes back) we find out that she always loved Stefan. Damon is cynical and likes to antagonize his brother. It's also stated that he and his brother haven't seen each other in 15 years and Damon saying somewhere along the lines "Nice haircut. The 90's grunge wasn't looking good for you." When Damon is back everything gets complicated.
Stefan finds new love - Elena, who looks exactly like Katherine. That's why when Damon sees Elena for the first time, he falls in love with her too. Elena loves Stefan, but cares about Damon too. Further in the series Elena will care more about Damon after she discovers his affection for her. So, is our love triangle back after 145 years?