Newest Orphan Black Clone Photo And Details Revealed

Clone Club will be getting a new member when Orphan Black returns for its fourth season. Meet M.K., the latest clone being introduced to the series.

M.K. – who is played, like all the other clones, by Tatiana Maslany – is mysterious and secretive. She has information that could prove incredibly useful to Sarah, Helena, Alison, and Cosima, but they'll have to convince her to come out of the shadows first.

"She's very security conscious," co-creator John Fawcett tells EW of M.K. "She knows more than Sarah does so she knows how dangerous the whole thing is. She's purposefully avoided contact with the sisters to keep herself safe, and Sarah is now trying to draw her out of the shadows and trying to utilize the information that she has so that Sarah can follow her own mystery and fill in the blanks and protect Alison and protect Cosima from Neolution. But this girl is very unwilling."

And the sheep mask? That's a little reference to another famous clone.

"Dolly the sheep," Fawcett reveals.

Viewers will learn more about M.K. when Orphan Black returns to BBC America in April 2016.