When Scientology founder L. Ron Hubbard launched his celebrity charm offensive, the aptly named Project Celebrity, in 1955, he never could have predicted its profound cultural impact.
Sixty years on and Hollywood is rife with proponents of the questionable-religion, with die-hard celebrity members such as Tom Cruise and John Travolta acting as its poster boys.
But who else is a member that you didnt know about?
To give you a flavour of its doctrine, one of the churchs core beliefs is that 75 million years ago, Xenu, dictator of the Galactic Confederacy, sent billions of frozen souls on spaceships from his overpopulated planet to the bases of volcanoes on Earth.
When the volcanoes erupted, the scattered souls or thetans found their way into human bodies, and their emotional issues haunt their human hosts.
1. Will Smith
Although Will Smith has staunchly denied any involvement with Scientology, it has been reported that he was actively recruiting members on the set of Hancock, and he is thought to have donated millions to the church.