Roger Bart has secured a four-episode arc as Matt LeBlanc’s agent on the upcoming season of Showtime’s “Episodes.”

Halfhour comedy centers on a fictional version of Matt LeBlanc and the Hollywood TV biz, as a Brit show is brought to America and casts LeBlanc in order to make the show friendlier to U.S. auds. Paybler ordered a nine-episode third season of the comedy last fall.

Bart has recently appeared on USA’s “Political Animals” and ABC’s “Revenge.” He is repped by Jonathan Howard at Innovative Artists and Michael Baum at Impression Entertainment.

Showtime has also found its leading man for drama pilot “The Affair,” tapping Dominic West to topline the project.

West, who starred in HBO’s “The Wire,” will play Noah, a husband and father of four whose life is turned upside down when he meets a woman he believes to be his soul mate.

Hourlong drama is from Sarah Treem and Hagai Levi. Treem penned the pilot, and the pair will exec produce along with director Mark Mylod.