Brian Dennehy by Charley Gallay/Getty Images, Patrick Warburton by Cliff Lipson/CBS
Brian Dennehy, a silver-screen vet and six-time Emmy nominee, is bringing his acting chops - and perhaps some savory lamb chops, as well! - to CBS' Rules of Engagement, TVGuide.com has learned exclusively.

In one of the sitcom's first Season 3 episodes, Dennehy will guest-star as the father of Patrick Warburton's Jeff. The verbal jabs fly between Jeff's wife, Audrey, and her father-in-law, whose alpha-male antics, unbridled love for meat and blatant chauvinism make his sometimes-gruff son look positively refined.

Dennehy's big-screen resume includes the tracking and capture of one John Rambo (in First Blood) and F/X. He won a Golden Globe for the TV presentation of the Arthur Miller classic Death of a Salesman.

CBS' Rules returns midseason. - Matt Mitovich

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