Garcia Bernal's spokeswoman Icunacury Acosta says the baby is named Lazaro. He was born Thursday in Madrid, Spain.
Acosta said in a statement Monday that the new parents and baby are "very happy, tired and in excellent health."
Garcia Bernal became an international star with the movie "Amores Perros." He also appeared in "The Motorcycle Diaries" and "Babel."
He may soon be arranging play dates with his lifelong friend, Mexican actor Diego Luna.
Luna became a dad in August when his wife, Camila Sodi, gave birth to a boy.
Garcia Bernal and Luna appear together in the movies "Y Tu Mama Tambien" and "Rudo y Cursi."
