Gus Ruelas/AP; Dave J Hogan/Getty Images
Natalie Abrams
August 10, 2015 AT 09:00 PM EDT

Jay Karnes and Brendan Coyle are heading to 12 Monkeys in the upcoming second season, EW has learned exclusively.

Karnes (The Shield) will recur as a savvy FBI agent in the 1940s named Robert Gale, who believes a series of grisly murders may have something to do with a man named James Cole (Aaron Stanford) — an outsider who Gale suspects might not be from this time.

Meanwhile, Coyle (Downton Abbey) will first appear in the season premiere as Dr. Benjamin Kalman, a former Markridge bioengineer racked with guilt over the deadly virus his team gave birth to. Cole and Ramse (Kirk Acevedo) find him in Budapest and recruit him in their efforts to stop the Army of the 12 Monkeys.

Karnes and Coyle join the previously cast Michael Hogan (Battlestar Galactica). Get details on his role here.

12 Monkeys is slated to return in early 2016 on Syfy.

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