The CW is really keeping it in the family!
The Vampire Diaries alum Stephen Martines has joined the cast of the network's highly anticipated Supernatural spinoff, E! News has exclusively learned.
The Chicago-set project, subtitled Tribes, already has two former TVD stars on its roster: Nathaniel Buzolic, who played the original vampire, Kol, and Sean Faris, who appeared on the first season of the hit series.
In addition to his villainous turn as Frederick on TVD, Martines had a major role on the final season of Burn Notice and has appeared on The Mentalist and The Closer.
Martines will take on the role of Detective Freddie Costa, a world-weary Chicago cop who serves as a mentor to Ennis (Lucian Laviscount), but is secretly on the payroll of one of the city's most powerful monster families.
The sweeping drama about the various mafia-esque monster families that run the underbelly of Chicago, unbeknownst to the humans. They are threatened when one human, newly-minted hunter Ennis, decides to rid the city of all things supernatural.
Buzolic will take on the role of David Hayden, a shapeshifter from one of Chicago's ruling monster families who has been living as human for a long time, but returns to the supernatural world after a tragedy. Faris will play Julian Durant, a werewolf from a wealthy family of lycanthropes that is at odds with the Hayden family.
The drama is executive produced by Supernatural's Eric Kripke, Jeremy Carver, Robert Singer and written by Andrew Dabb Supernatural: Tribes' cast will be introduced in the 20th episode of the season, set to air on April 29.
The CW recently announced that Supernatural has been picked up for a 10th season, along with The Vampire Diaries, Arrow, Reign and The Originals .
—Reporting by Jennifer Cooper