Reed Diamond to Guest Star on The Mentalist

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Reed Diamond is headed to CBS.

The veteran actor - currently seen on Franklin & Bash, best known for his role of Mike Kellerman on Homicide - will guest star on The Mentalist's second episode of season four. He'll portray a CBI agent that assists Lisbon and her squad with the investigation of a personal trainer's murder.

Reed Diamond Photo

The Mentalist returns on Thursday, September 22.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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