Cheyenne Jackson Cheyenne Jackson

Cheynene Jackson will guest-star on Royal Pains this season, USA announcedFriday.

The Broadway star will appear on the Aug. 5 episode, entitled "Oh, M.G.," as Sam, the owner of a perfumery in the Hamptons. But when Sam starts to lose his sense of smell, he worries his career is in jeopardy.

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In addition to his theater work, Jackson has appeared in Behind the Candelabra, 30 Rock and Glee.

Royal Pains airs Tuesdays at 9/8c on USA.

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