Joss Whedon has gone into his Firefly past to find a future guest star for Dollhouse.

Alan Tudyk - who starred as will Hoban "Wash" Washburne on Whedon's first-ever series - will guest star on the May 1 installment of Dollhouse.

According to reports, Tudyk will portray the "agoraphobic designer of the Dollhouse." He enters the picture in the course of Agent Ballard's investigation.

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