The recent split of Tom Cruise and Katie Holmes has had celeb-watchers on edge, with rumors running rampant that Cruise’s religion, Scientology—the church founded in 1952 by L. Ron Hubbard—may have played a role in the pair’s divorce. While the details of the breakup have remained private, and Cruise’s lawyer has denied that the religion was a factor in the divorce, the high-profile duo’s relationship has thrust the religion into the public eye. Check out a roundup of other stars—both well-known proponents and perhaps some surprising faces—who are also members of the faith.