Michael Schneider Variety Editor at LargeJames Marsden, who starred in the first season of HBO’s “Westworld” and recurred in its second season, is coming back. The network announced the news on Saturday at the ATX Television Festival in Austin, where Marsden made a surprise appearance during a panel promoting the show’s Season 4.Also as part of the panel, HBO released key art for the new season, which returns Sunday, June 26 at 9 p.m.