William Petersen is putting down roots in Manhattan.
The CSI alum has joined the WGN America drama’s upcoming second season in a series-regular role, TVLine has learned.
Petersen will play Colonel Emmett Darrow, the enigmatic new ranking military officer at Los Alamos. A deeply religious and patriotic man, Darrow feels called by God to usher in the atomic future, and to spread American values across the globe.
He joins a cast that includes John Benjamin Hickey, Olivia Williams, Daniel Stern and Rachel Brosnahan.
Production on Season 2 begins next month in New Mexico ahead of a 2015 return.
![RuPaul’s Drag Race Recap: [Spoiler] Wins All Stars 4 in Shocking Finale](https://pmctvline2.files.wordpress.com/2019/02/drag-race-recap.jpg?w=620)
