CNN  —  Pierce Brosnan only ever appeared with Robin Williams in one film, but the Irish actor now says he didn’t quite work with Williams. “I really never worked with Robin Williams,” Brosnan recalled recently. ”I only worked with Mrs. Doubtfire.” The star rewatched some of his old films during a chat with Vanity Fair , including his beloved 1993 comedy “Mrs. Doubtfire” in which Williams plays a father who poses as a female nanny in order to spend time with his children after his wife seeks a