Mark Moses Mark Moses

Mark Moses will guest-star on the upcoming season of Covert Affairs, TVGuide.com has confirmed.

Moses, best known for his roles on Desperate Housewives and Mad Men, will play a NASA employee who never quite made it to space and becomes suspected of leaking confidential information.

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The 53-year-old actor will appear in an early episode of Season 2, which returns June 7 on USA.

The news was first reported by Entertainment Weekly.