General Hospital's Jon Lindstrom  is doing a little moonlighting in primetime. Lindstrom has snared a guest-starring role on ABC's Castle.

The veteran actor will play Agent Connors, who becomes involved in Castle (Nathan Fillion) and Beckett's (Stana Katic) latest caper.

Season 7 of Castle begins Sept. 29 at 10 pm EST on ABC.

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