"Top Gun: Maverick," starring Tom Cruise, is an international box office success.
Leah Remini criticized Tom Cruise over his connection to Scientology in a Saturday tweet.
Remini, an ex-Scientologist, has previously spoken out against Cruise and the Church of Scientology.
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Leah Remini criticized Tom Cruise as his newest film, "Top Gun: Maverick," continues to dominate the box office.
Tom Cruise in "Top Gun: Maverick." Paramount.
Despite "Top Gun: Maverick" hitting theaters less than three weeks ago, the film scored $100 million during opening weekend and garnered high praise from fans . However, Remini blasted the film and Cruise in a Twitter post over his connection to the Church of Scientology.
Both Cruise, 59, and Remini, 51, were members of the Church of Scientology, but Remini left in July 2013 and repeatedly spoke out against it. Cruise is still an active member.
On Twitter, Remini shared a screenshot of former Scientologist and friend Claire Headley's Facebook post that accused Cruise of promoting "a dangerous cult that destroyed my family."
"So no, I will not watch the movie, nor will I ever support or approve of this scam of a man," Headley wrote. "Trust me, Tom Cruise knows exactly who he is supporting and the abuses the organization perpetuates."
Remini offered her sentiments, writing, "Thank you to my friend @claireheadley for your courage. You have continued to speak out despite the non-stop attacks from Scientology. And as Claire says in her post below, Tom Cruise knows exactly what goes on in Scientology."
She added: "Don't let the movie star charm fool you."
Representatives for Remini and Cruise did not immediately respond to Insider's request for comment.
In 2017 Remini called Cruise "diabolical" during a Reddit event, adding: "There is a public persona of the guy who looks at you directly in the eye and shakes your hand and hugs you and is an attentive person to you and there's the person behind the mask who is a completely different person."
Following her departure, Remini told People in July 2013 that "no one is going to tell me how I need to think, no one is going to tell me who I can, and cannot, talk to."
Leah Remini left Scientology in 2013. "Leah Remini: Scientology and the Aftermath"/A&E
"I believe that people should be able to question things. I believe that people should value family, and value friendships, and hold those things sacrosanct," she added.
Remini has previously accused the Church of Scientology of mistreating members and spoke out against its leader, David Miscavige.
In November 2016, Remini launched the A&E series, "Leah Remini: Scientology and the Aftermath," that sought to share insights into Scientology. However, the church declined to participate, accusing Remini and other contributors of making false statements about the church for monetary gain.
A number of celebrities, including Elizabeth Moss and John Travolta, have been associated with Scientology. Cruise has taken the brunt of criticism regarding Scientology in the public eye, but other celebrities have defended him over the years.
"I think that probably all religions sound bizarre to the people who are not the practitioners of them," Kirstie Alley, an actress and member of the church, told ET in 2012. "To me it's so normal, and probably 90% of the crazy stuff I hear isn't true. I've been a Scientologist for over 30 years. I think a lot of things are sensationalized."