The series doesn't even premiere until September 22nd on NBC, but EW already has word on a great guest star for Prime Suspect that could turn into a recurring role. Apparently comedian, film and sitcom star Jay Mohr will appear in this first season of the new police drama as New York City assistant district attorney John Bullock, a man considered good at his job, though not exactly on the same page as Jane Timoney (Maria Bello). Part of me is hoping this character will have the same kind of energy and intensity as his turn in Jerry Maguire, but that remains to be seen. Either way, he's definitely a welcome addition to the series which looks like it could be one of the more solid debuts this fall, and a potentially great new crime drama. For your convenience we've included the extended preview for Prime Suspect after the jump.

Here's the extended preview for NBC's Prime Suspect:

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