NEW YORK, NY - JULY 20: Neal McDonough attends the Visa Signature screening of "Captain America: The First Avenger" at the AMC Loews Lincoln Square on July 20, 2011 in New York City.

He joins the USA Network legal drama as an SEC investigator.

Neal McDonough is joining Suits.

The actor has been cast in a recurring capacity on the fourth season of USA Network's legal drama, the network announced Wednesday.

McDonough will portray Sean Cahill, an SEC investigator described as a"bulldog." Tasked by Eric Woodall (Zeljko Ivanek) to uncover wrongdoing at Pearson Specter, Cahill will go toe-to-toe with anyone.

He is the latest recurring guest star Suits has booked for season four, joining previously announced D.B. Woodside, Brendan Hines, Michael Gross and Melanie Papalia. Gabriel Macht, Patrick J. Adams, Gina Torres, Rick Hoffman, Meghan Markle and Sarah Rafferty star in the series.

McDonough has appeared in features Red 2, Captain America: The First Avenger, Flags of Our Fathers, The Guardian, Walking Tall and Timeline, and next stars in the Paul Blart: Mall Cop sequel opposite Kevin James. On TV, his credits include Mob City, Justified, Desperate Housewives, Boomtown and Band of Brothers.

McDonough is repped by Paradigm, More/Medavoy Management and Bloom Hergott. Suits returns June 11.

Email: Philiana.Ng@THR.com

Twitter: @insidethetube