United Kingdom, Sept. 10 -- Nina Dobrev has revealed her struggle for equal pay on The Vampire Diaries.

The 36-year-old actress - who starred alongside Paul Wesley and Ian Somerhalder in the first six seasons of the supernatural teen drama - has recalled the arguments she faced as she was being paid less than her male castmates, despite playing but Elena Gilbert and Katherine Pierce on the show.

In Samantha Highfill's new book I Was Feeling Epic: An Oral History of The Vampire Diarie, Nina said: "Candice [King], Kat [Graham], and I were the three lowest-paid series regulars in the first two seasons.

"It was a bit of a tricky situation because my contract only said to play Elena, but I was playing multiple characters, which doubled my w...