Peter Gallagher

One of TV's most beloved dads is giving fatherhood another try. Peter Gallagher — who played easygoing do-gooder dad Sandy Cohen on The O.C. — has been cast for a guest shot on NBC's Whitney. Gallagher, who currently stars on the USA series Covert Affairs, will play the father to Whitney Cummings' title character in an as-yet-to-be scheduled episode of the freshman sitcom.

In the episode, which films next week, Gallagher plays Vince, Whitney's estranged, twice-divorced father (perhaps that explains her reluctance to tie the knot), who makes a habit of popping up in Whitney's life at inconvenient times. We hear that despite his flaws, Vince loves Whitney and wants the best for her, even though he's been making her crazy her whole life.

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