David Cross David Cross

David Cross has signed on to guest-star on Modern Family.

The Arrested Development actor will play a city councilman, Duane, who crosses paths with Claire (Julie Bowen), The Hollywood Reporter reports. Cross most recently played would-be uber-activist Dr. Andy Weeks on Fox's short-lived comedy Running Wilde.

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He also stars in and executive-produces IFC's The Increasingly Poor Decisions of Todd Margaret.

The third season of Modern Family premieres Wednesday, Sept. 21 on ABC.