The baby boy, who has yet to be named, was born yesterday morning at a Los Angeles hospital, weighing a healthy 7 pounds.
A spokesperson today announced that both mother and baby were doing well, and described the Miami Vice actor as "over the moon times six."
The new arrival is a baby brother to the couple's young son Jasper and six-year-old daughter Grace.
The 56-year-old star also has a daughter, Dakota, with former wife Melanie Griffith, and a son, Jesse, with actress Patti D'Arbanville.
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