peter weller gi 320 'Dexter': Peter Weller (Robo)cops to Season 5“Dexter” is adding new blood into the crime mix.

The Showtime serial killer drama has tapped Peter Weller as the latest guest star to visit the murderous Miami, reports Deadline.

Weller, who had guest starred as Alastair Peck on “Fringe,” will join “Dexter” for eight of the dozen episodes this upcoming fifth season. He’ll play a Miami Metro cop who gets entangled in an internal affairs investigation.

Of course, we also remember Weller most fondly for the titular role in the “RoboCop” films. (“I’ll buy that for a dollar!”)

It’s a season chock full of possible killers, victims, law enforcement and other guest stars. Previously announced are Jonny Lee Miller who’s associated with Julia Stiles. Also in on the fun is Shawn Hatosy and Maria Doyle Kennedy, who’ll be nannying for Dexter Morgan (Michael C. Hall).

“Dexter” Season 5 premieres on Sept. 25.

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Posted by:Hanh Nguyen