For Maeve Higgins, launching a film career started with denial. “It’s so hard to get a movie made, I just didn’t believe it would happen,” she says with a laugh. Written and directed by Mike Ahern and Enda Loughman, “Extra Ordinary” features the Irish comedian in her first starring role. “It’s probably good I didn’t fully believe it,” Higgins adds. “I didn’t have time to get worried about it.”