'Orphan Black' Adds 'Rookie Blue' Alum as Series Regular

Tatiana Maslany - H 2015
<p>Tatiana Maslany - H 2015</p>   |   AP Images/Invision
The BBC America drama, starring Tatiana Maslany, has also enlisted 'Mad Men' scribe Semi Chellas as a consultant for its fourth season shoot, now underway.

The clone community at Orphan Black is growing.

Rookie Blue alum Joel Thomas Hynes has joined the BBC America and Space drama as a series regular. Hynes is to play Dizzy, an edgy, self-reliant hacker who doesn’t conform to group mentality.

Orphan Black is also adding Emmy-nominated Mad Men scribe Semi Chellas as a consultant. Chellas and Hynes board Orphan Black as the fourth season shoot of the Temple Street Productions drama gets underway in Toronto, with Emmy-nominated Tatiana Maslany returning in the starring role.

The 10-episode fourth season will see the characters of Maslany and fellow thesps combat a new line of male “Castor” clones as they journey towards the truth of who and what they are. The latest season will also see Sarah, one of Maslany's dozen clone characters, return home from Iceland to track down an elusive new ally tied to Beth’s past.

Sarah follows Beth’s footsteps into a dangerous relationship with a potent new enemy, and uncovers a horrifying new facet of the conspiracy. Also returning this season are Jordan Gavaris, Kristian Bruun, Maria Doyle Kennedy and Ari Millen.

The fourth season shoot will continue through March 2016, ahead of a spring 2016 debut on BBC America and Space in Canada. Orphan Black is co-created by Graeme Manson and John Fawcett.