She trained and competed in Irish dance while growing up.She played Susan Thompson in the TV show Supernatural.At the end of season one, Elena meets her birth mother, Isobel, who is now a vampire, and discovers that her uncle John, who she grew up hating, is her natural father.In season two, she learns that she is a Petrova doppelgänger, exactly resembling Katherine Pierce, which means that she can be sacrificed to release Klaus' werewolf side.She has an adoptive aunt named Jenna Sommers who serves as her and Jeremy's legal guardian in the first two seasons of the series.She is the descendant and doppelgänger of Katherine Pierce.
In season three, Elena does everything in her power to make Stefan regain his humanity, which he switched off to satisfy, and tolerate, Klaus.
Kelly Nieman in the ABC TV show Castle, and Karen Singh in the ABC TV show The Catch.
Actress who appeared on the soap opera General Hospital and also played a brave FBI agent on the television series 24.
The sacrifice later takes place, but Elena is saved because John sacrificed himself for her after Bonnie magically enchants him.
However, her Aunt Jenna is turned into a vampire and, as part of the sacrifice, is killed by Klaus, leaving Elena without a guardian.