By Breaking Celebrity News Staff

It’s legally recognized as a religion in the U.S. and boasts A-list believers like Tom Cruise and John Travolta.

But another former Scientologist has spoken out against the organization, this time at an event called The Cult In Your Backyard.

Martin Padfield – who was a devotee for 31 years– spoke at the conference on Saturday in East Grinstead, England, the same town as Scientology's UK headquarters.

The 50-year-old says he became a member of the “dangerous, corrupt and sinister cult” at 19 after being introduced to it by a builder working on his parents’ home.

He soon became so devoted that he joined Sea Org – the elite unit for loyal believers. But Padfield says relocating to the International Base in Gilman Hot Springs, California was “a culture shock.”

He describes grueling work and a nine-month stint wearing a black boiler suit, working for hours in the hot sun as punishment for dozing off during a night shift.

Padfield told The London Evening Standard: “I didn’t know where I was. I had no contacts in the U.S. outside of Scientology. I had no passports, no money and no possessions. Where I was going to go?”

But Padfield stuck with Scientology for three decades despite being expelled from Sea Org at 23 for breaking the rules and sleeping with another member.

He eventually became disenc