The star of "Being Erica" and "Soul Food" will play Evidence "Evi" Ryan, a former con-artist and lover of Duke, the character played by Eric Balfour.
As previously announced, Jason Priestley -- who stars in, directs and produces the dark comedy "Call Me Fitz" -- will also join "Haven" next season to direct one episode and guest star in a four-episode story arc.
Antoine and Priestley will join Emily Rose, who plays Audrey Parker, and Lucas Bryant, who plays Nathan Wuornos, on the show.
Based on "The Colorado Kid" by Stephen King, "Haven" began production on 13 episodes for Season 2 in Nova Scotia Friday. The new installments are to premiere this summer.