Whigham will portray Senator Roscoe Conkling.
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Bernie Caulfield also executive produces.
Matt Ross(28 Hotel Rooms)is director and executive producer of all episodes.
Bradley Whitford and Shea WhighamJoe Pugliese/Daniel Pracopcyk
Whitford plays Commander Lawrence on HulusThe Handmaids Tale, which is headed to its sixth and final season.
The role has earned him his third Emmy.
(He previously won forThe West WingandTransparent.)
Stephen McKinley Henderson, Paula Malcomson and Tuppence MiddletonCourtesy/Getty/Joseph Sinclair
Whitford recurs on AMCs dramaParishopposite Giancarlo Esposito.
On the film side, he was recently seen inRosaline.
Whitford is repped by Gersh, Greenlight Management, and Michael Mahan of Peikoff Mahan.
In TV, he recently recurred opposite Shannon on ShowtimesWaco: The Aftermathand appeared onThe Righteous GemstonesandBass Reeves.
Whigham is repped by Range Media Partners and WME.
