Scientology is a belief system founded by American author L. Ron Hubbard that has stirred up its fair share of controversy. Despite this, many celebrities are proud members of the Church of Scientology while others have made decisions to walk away or denounce their involvement

Here are ten famous celebrities that are either current or former Scientologists.

Alanna Masterson

Actress Alanna Masterson, best known for her role as Tara, on "The Walking Dead" is a current Scientologist alongside her brothers, Chris and Danny Masterson.

Beck

For a long time, singer-songwriter Beck was rumored to be a member of the Church of Scientology. In a 2019 interview he denied ever being involved with Scientology, but other celebrities who have since left the church claim that this was Beck's attempt to keep his public image intact.

Jenna Elfman

"Dharma and Greg" star Jenna Elfman is a member of the Church of Scientology. She has been a keynote speaker for Scientology-backed organizations and has hosted Scientology-sponsored events.

Kirstie Alley

Actress Kirstie Alley joined the Church of Scientology during the 1970s. She has credited Scientology with helping her beat drug addiction and has donated millions of dollars to the Church over the years.

Laura Prepon

"That 70s Show" actress Laura Prepon became a follower of Scientology in the 1990s. In an interview in 2021, Prepon stated that she had quit practicing in 2016.

Elizabeth Moss

Elizabeth Moss of "The Handmaid's Tale" was raised as a Scientologist. She still practices today and has defended the Church when questioned by fans.

Ethan Suplee

Actor Ethan Suplee has been a member of the Church of Scientology for nearly two decades.

Michael Pena

Actor Michael Pena has been a Scientologist since 2000.

Nancy Cartwright

In addition to voicing the character of Bart Simpson on "The Simpsons," Nancy Cartwright is also a member of the Church of Scientology. She joined the church in the early 1990s and has donated millions of dollars during her time as a member.

Tom Cruise

Tom Crusie is one of the highest-profile Scientologists in Hollywood and has been a member since the late 80s. His involvement has sparked a number of odd controversies including an alleged Scientology-backed wife audition, rants against the field of psychiatry on TV, and the alleged use of the COVID-19 pandemic to generate positive press coverage for the Church of Scientology.