Are you a Vin Diesel fan?

Well, then you know his characters are kind of, sort of similar in that theyre all action heroes: Riddick, Dominic Toretto, Xander Cage.

So, to test Diesels latest xXx: Return of Xander Cage co-star Nina Dobrev , The Huffington Post asked the actress to guess who said it, Dom or Xander, on a recent Build Series segment .

See all the fun go down above.

Produced by Gabe Piscione.