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Dennis Quaid has moved to end his eight-year marriage for good by filing for divorce on Friday.

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The actor's third wife, Kimberly Buffington-Quaid, initially filed for divorce back in March, but she subsequently retracted her petition in May amid rumors the couple had reconciled.

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The marriage appeared to be on rocky ground again in October when Buffington-Quaid went to court to request a legal separation, and now Quaid has filed divorce papers at Los Angeles Superior Court.

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Quaid, 58, has asked for joint physical and legal custody of their four-year-old twins, Thomas and Zoe, and has offered to pay his wife spousal support, according to documents obtained by

The actor has been wed twice before - he divorced actress P.J. Soles in 1983, while his 10-year marriage to Meg Ryan ended in 2001.