1. The Salvatore brothers almost had a different last name.

Their names were originally mentioned in the script as Whitmore, but the executive producers altered it to Salvatore to correspond with their original book series identities.

2. Co-creator and executive producer, Kevin Williamson, initially turned down The Vampire Diaries pitch.

"A long, long, long time ago, Alloy had brought the books to my office, saying, 'What about a movie?' I basically didn't read the books," Williamson told The Hollywood Reporter.

3. Nina Dobrev bombed her audition.

"The first impression of Nina is that she didn’t make an impression," TVD co-creator and executive producer, Julie Plec, told Entertainment Weekly.

4. Casting Nina Dobrev as Elena Gilbert caused backlash from fans.

Elena Gilbert is depicted as having blonde hair and blue eyes in the novel series. Dobrev certainly has the exact opposite appearance.

5. Several cast members auditioned for Damon Salvatore.

Paul Wesley initially tried out for the part of Damon Salvatore before ultimately landing the major role of his on-screen brother, Stefan Salvatore.

6. Ian actually auditioned for a different vampire show.

"I always wanted to play one," Somerhalder told Newsweek. "I auditioned for True Blood. I just couldn't convince Alan Ball that was my role. And then I didn't get it, and I was very bummed. I couldn't watch True Blood until now."

7. Dobrev and Wesley "despised each other" at the start of the show, but are now good friends.

Dobrev said that despite playing an on-screen couple, she and Wesley "didn't get along at the beginning of the show."

8. Joseph Morgan, who played fan-favorite character Klaus Mikaelson, met real-life wife Persia White on the set of "TVD."

Morgan joined the show during season two while White joined the following season as Abby Bennett Wilson

9. season eight included a sneaky nod to "50 Shades of Grey," the film that Somerhalder auditioned for.

During the first episode of season eight of his "TVD" show, his character was seen reading "50 Shades," describing it as a "very good book."

10. Wesley cried while reading the script for the series finale.

The actor texted co-creators Julie Plec and Kevin Williamson a picture of his emotional response after telling Entertainment Weekly that he was reading the screenplay for the first time while on a plane.