Routh will first appear in the second episode of the third season, which kicks off in January.
ABC notes there is also a possibility for additional episodes.
Season 3 findsNathan Fillion’sOfficer Nolan facing his biggest challenges on the force yet.
Credit: Dominik Bindl/Getty Images
CreatorAlexi Hawleypreviously told EW the season 3 premiere would pick up the right where the cliffhanger left off.
“I do think that he’s a realist.
He’s been through a lot.
That’s going to be his struggle in season 3.
Just how do I retain my values and my worldview when they’ve been shaken to the core?”
The Rookiereturns Jan. 3 at 10 p.m on ABC.
