Posted on Fri Oct 19, 2012 11:50 AM PDT
Dennis Quaid and his wife Kimberly Buffington-Quaid are separating after eight years of marriage.
Kimberly first filed for divorce back in March, but two months later, withdrew her petition.
She's now asking for joint legal and sole physical custody of their 4-year-old twins, Thomas and Zoe.
Quaid was previously married to actress Meg Ryan, but divorced in 2001.
He was also married to Halloween star PJ Soles, but that marriage ended in 1983.
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