In addition to the hit horror film, the actress has had roles in several popular TV series “Weapons” is getting plenty of attention after hitting theaters Friday, and the movie is on track to earn $40 million this weekend . Part of the film’s success can be chalked up to the secrecy that surrounded its plot ahead of time — and perhaps no one character is more mysterious than Amy Madigan’s Aunt Gladys. Madigan’s role in the movie has been kept a secret on purpose, and the bulk of this article