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Tom Cruise -

Cruise is the Church’s poster boy. He became involved with the church in 1990 via his then-wife, Mimi Rogers.

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Tom Cruise - He has since become an intimate member of the religion’s inner circle and one of the organization's most prominent faces. 

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Leah Remini -

The 'King of Queens' star was raised in the religion since age nine but left it in 2013. 

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Leah Remini - She is now an anti-Scientology activist who produces and hosts a documentary that investigates the Church of Scientology entitled 'Leah Remini: Scientology and the Aftermath.'

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Laura Prepon -

The 'Orange Is the New Black' actress is a practicing Scientologist and has been since 1999.

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Laura Prepon - In a 2015 interview with Celebrity magazine (via Salon), she said that the religion has made her "more me."

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Elisabeth Moss -

The 'Handmaid’s Tale' actress was raised in the faith and continues to practice, though she rarely discusses it publicly. 

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Elisabeth Moss - However, she did defend it in the comment section of an Instagram post in 2017 after a 'Handmaid’s Tale' fan asked about the similarities between Scientology and the religion portrayed in the show.

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Beck -

The musician is a second-generation Scientologist who’s been involved in it most of his life. 

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Beck - He first acknowledged his affiliation in a 2005 interview with The New York Times Magazine.

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Michael Peña -

The 'Ant-Man' actor joined the Church after watching a Jenna Elfman interview with Barbara Walters in the late 1990s. 

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Michael Peña - He told The Guardian that the religion has made him a better actor.

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Juliette Lewis -

The 'Natural Born Killers' actress is a longtime Scientologist and vocal defender of the religion. 

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Juliette Lewis - She told The Daily Beast that the mainstream media funded by the pharmaceutical industry has a vendetta against Scientology.

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Brad Pitt -

One of Hollywood’s biggest names is said to have taken a couple of courses on Scientology in the early 1990s when he was dating Juliette Lewis. 

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Brad Pitt - He reportedly lost interest after breaking up with Lewis.

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Alanna Masterson -

The 'Walking Dead' actress was raised in the Church of Scientology. 

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Alanna Masterson - Her father, the Australian former rugby league footballer Joe Reaiche, was once a member of the clergy, but was later excommunicated and lost contact with his children.

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Danny Masterson -

The 'That '70s Show' star is Reaiche's stepson and remains involved in the religion. 

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Danny Masterson - Reaiche has accused Scientology of brainwashing his children in an interview with the Daily Mail.

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Giovanni Ribisi -

The 'Sneaky Pete' who is also known for his recurring roles in 'My Name Is Earl' and 'Friends' is an active and longtime Scientologist. 

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Giovanni Ribisi - His sister, who is also practicing, is married to musician Beck, so Scientology has deep roots in the family.

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Kirstie Alley -

The actress and spokesmodel became interested in Scientology after moving to Los Angeles in the 1970s. 

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Kirstie Alley - She has told the Daily Mail that the Church has helped her overcome cocaine addiction.

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John Travolta -

Right there with Cruise, Travolta is one of the Church’s most highly prized members. 

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John Travolta - He has been active since the 1970s and even got fellow 'Grease' actor Jeff Conaway to take courses.

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Lisa Marie Presley -

Though Elvis Presley reportedly said “F*ck those people” after visiting a Scientology center, his daughter was indoctrinated in the 1970s by her mother, Priscilla Presley. 

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Lisa Marie Presley - Lisa Marie left the Church in 2016, but her mother and daughter remain members.

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Katie Holmes -

The actress joined the Church upon her marriage to Tom Cruise. 

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Katie Holmes - She left it upon her divorce with the faith’s poster boy in 2012.

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Jenna Elfman -

The 'Dharma & Greg' actress is an outspoken supporter and member of the Church of Scientology.

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Jenna Elfman - She has compared the treatment Scientologists receive to the Roman's persecution of Christianity.

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Mimi Rogers -

The prolific actress was exposed to the faith as a child through her father, who was a member and friends with L. Ron Hubbard. 

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Mimi Rogers - Rogers married Tom Cruise in the late 1980s, giving rise to Hollywood’s biggest Scientologist. She has since left the Church.

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Nicole Kidman -

Another of Tom Cruise's former wives, Kidman became involved around the same time as their marriage in 1990.

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Nicole Kidman - Like Katie Holmes, she left the Church when they divorced in the early 2000s.

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Christopher Reeve -

The 'Superman' star discussed his dabbling in Scientology in his 2002 book 'Nothing Is Impossible: Reflections on a New Life.' 

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Christopher Reeve - He visited the headquarters in 1975 but decided not to join after reading more about Scientology.

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Erika Christensen -

The 'Parenthood' actress was raised in the Church by her parents who also chose to homeschool her. 

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Erika Christensen - Christensen has defended the religion as recently as June 2018 in an interview with People.

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Doug E. Fresh -

The rapper best known for pioneering beatboxing joined the faith in the early 2000s and isn’t afraid to defend it.

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Doug E. Fresh - He said in a 2009 interview with Essence: "I found it fascinating. It changed how I thought."

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Jason Lee -

The marriage of the 'My Name Is Earl' actor reportedly fell apart because of his commitment to Scientology, his ex-wife Carmen Llywelyn told Inside Edition. 

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Jason Lee - In a 2016 interview with The Dentonite, he said he no longer practices the religion.

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Catherine Bell -

The 'Army Wives' actress is an active member of the Church and has supported several organization affiliated with the faith. 

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Catherine Bell - Bell has reportedly attained the Scientology State of Clear, one of the major states on the way up the Bridge to Total Freedom.

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Nancy Cartwright -

The voice behind Bart Simpson, Cartwright joined the Church of Scientology in 1991.

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Nancy Cartwright - She donated US$10 million—nearly twice her annual salary—to the Church in 2007, according to the New York Post.

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Isaac Hayes -

The singer-songwriter and actor became involved in the faith in the early 1990s. 

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Isaac Hayes - Hayes also voiced the Chef in the popular animated series 'South Park,' but he quit after a 2006 episode poked fun at the religion. Hayes's son said, however, that the Church made him quit against his wishes, according to Billboard.

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Anne Archer -

The 'Fatal Attraction' actress joined the Church in the mid-1970s and has remained active since. 

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Anne Archer - In a 2014 interview with The Guardian, Archer states that the religion has been "very meaningful" in her life.

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Jerry Seinfeld -

The popular actor and comedian admitted he took courses on Scientology in his 30s and he is interested in self-help, he told Today.

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Jerry Seinfeld - However, he never became a member as he was "flitting from thing to thing" at the time.

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Will and Jada Pinkett Smith -

Rumors connecting the power couple to the controversial religion abound, including Leah Remini's statements that Jada is a member. 

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Will and Jada Pinkett Smith - But Jada has said on Twitter that though she studies Dianetics, she and Will are not Scientologists.

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Jeffrey Tambor -

The 'Arrested Development' actor was reported to be a Scientologist in 2007 in a New York Times Magazine article.

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Jeffrey Tambor - He said he took classes for two years but left the Church abruptly because members were pressuring him to leave his second wife, according to the Hollywood Reporter.

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Charles Manson -

The cult leader reportedly said he followed Scientology in the 1970s, according to The Underground Bunker. 

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Charles Manson - The report contends that Manson started to make progress for the first time in his life thanks to the religion.

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J.D. Salinger -

The famous American author dabbled in Scientology, his daughter told The New York Times. The eccentric writer pursued the religion alongside other belief systems, including homeopathy and Christian Science.

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