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Actor Ron Perlman filed for divorce from his wife of nearly 40 years, Opal Stone Perlman, five months after he was spotted kissing his “StartUp” co-star Allison Dunbar.

According to court documents obtained by Page Six, Ron filed a dissolution of marriage without minor children petition on Tuesday at the Stanley Mosk Courthouse in Los Angeles.

Ron, 69, and Opal, 68, were married on Valentine’s Day in 1981, and share two adult children: Blake Perlman, 35, and Brandon Avery Perlman, 29.

TMZ reports that Ron listed the couple’s date of separation as May 10. Just five days later, paparazzi took photos of the “Hellboy” star kissing Dunbar outside of the Alexander Steakhouse in Pasadena, California, on May 15.

In the pictures, Dunbar, whose age has not been confirmed but is believed to be in her mid-40s, wore a large diamond ring on her engagement finger.

The actress has shared a few photos of her and Ron together on social media. In November 2018, she captioned a video of the pair, “Me and bish.”

Ron’s rep and attorney could not immediately be reached for comment.