“The Rainmaker” series adaptation at USA Network has added Wade Briggs in a series regular role, Variety has learned exclusively.

Based on the John Grisham novel of the same name, the show was picked up at the basic cabler back in June. Briggs will appear alongside previously announced cast member Milo Callaghan, John Slattery, Madison Iseman, Lana Parrilla, P.J. Byrne, Robyn Cara, and Dan Fogler.

The official logline for the series states, “Fresh out of law school, Rudy Baylor (Callaghan) goes head-to-head with courtroom lion Leo Drummond (Slattery) as well as his law school girlfriend (Iseman). Rudy, along with his boss and her disheveled paralegal, uncover two connected conspiracies surrounding the mysterious death of their client’s son.”

Briggs will play Brad Noonan, described as “a high-powered attorney at the Tinley Britt Law Firm and enforcer to the firm’s managing partner, Leo Drummond.”

Briggs’ recent TV credits include “Foundation...