He is currently playing this character on the show; a seemingly disconnected nutjob who is a fabulous (and famous) lawyer in the court room. With James Spader's character as the centerpiece, this new show should be great.
But that is not why I linked to this article. It is to point out the tiresome Trek reference-joke-cliche in the lead and the example of poor reporting and/or editing involved in that last line...
Sadly, there aren't roles for Leonard Nimoy and DeForest Kelley -- at least not yet.
Since DeForest is deceased, there would have to be a lot of computer-generated work done to find a role for him on the show. Apparently, no one bothered to fact-check the article.