'Happy Days' thesp to appear on USA drama

Henry Winkler is coming to “Royal Pains.”

Former “Happy Days” star will appear on the second season of the USA Network drama as the absentee father to the characters played by Mark Feuerstein and Paulo Costanzo. Winkler also recently appeared on CBS’ procedural “Numbers” and co-starred in Eye sitcom “Out of Practice” in 2005-06.

“Royal Pains” was a hit from the get-go, recording the top 18-49 demo and total viewers for a freshman series in cable history.

New 18-episode second season is set to begin in summer. Net upped the order from a 12-episode first season.

Skein, from Universal Cable Prods., is exec produced by Michael Rauch, Andrew Lenchewski, Rich Frank, Paul Frank and Jeff Kwatinetz.

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