We already know that Orphan Black will return in April and feature even more clones.

But TV Line has now broken some major casting news regarding the BBC smash, which is adding three new recurring characters this spring. They will be...

Michiel Huisman (Nashville) will portray of Cal Morrison, a tough and resourceful outdoorsman with unexpected emotional depth. Look for him to cross path with the clones and to go on a dangerous journey in 2014.

Peter Outerbridge (Nikita) will play what insiders describe as a "modern-day cowboy" named Hank who leads a movement toward merging science and religion into a new threat.

Ari Millen (Rookie Blue, Nikita) will recur as Mark, a cunning devotee of Outerbridge's Hank Johanssen who is in pursuit of the clones.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.