List of Orphan Black characters

Orphan Black is a Canadian science fiction television series broadcast on Space in Canada and on BBC America in the United States. The series' first season stars Tatiana Maslany, Dylan Bruce, Jordan Gavaris, Kevin Hanchard, Michael Mando, and Maria Doyle Kennedy, with the addition of Évelyne Brochu to the regular cast in the second season, Kristian Bruun and Ari Millen in the third, and Josh Vokey in the fourth.Orphan Black revolves around the main character of Sarah Manning as she discovers the existence of several of her genetic identicals. Numerous actors appear in the series as recurring cast members, but some guest actors are featured in only a few. Particularly, Skyler Wexler often recurs as Sarah's daughter Kira.

Grouped by associated storyline, and listed in order of first appearance:

While the Neolution movement is most notable represented by the scientists and businesspersons connected to Projects Leda and Castor, the Neolution ideas and ideals are also shared by many civilians, hoping to improve their lives in one way or another using its methods and technique, ranging from body modification to medical treatment.

Additionally, real-life news anchor Janette Luu appeared as a reporter in the series' pilot episode as well as the fourth-season finale. Season one also included Dom Fiore as a police captain and Ivan Sherry as an agent of the Internal Affairs, both serving at Beth's precinct, as well as Joanne Reece as Beth's lawyer. In season two Allison Wilson-Forbes appeared as a trauma nurse caring for Helena, and in season three Monica Dottor portrayed as a soccer mom buying drugs from Alison. During season four Jonathan Purdon appeared as an associate of Benjamin Kertland, and Francisco Trujillo played the surgeon operating on Alonzo Martinez. While they all were credited for their roles, and appeared in two episodes each, their parts were very limited.

...
Wikipedia