Mark-Paul Gosselaar and his wife, Lisa, are the parents of a baby daughter, the couple's second child.
Ava Lorenn was born Sunday in Los Angeles, the actor's publicist, Ame Van Iden, said Monday. Both Lisa and the newborn were doing fine, the spokeswoman said.
"Everybody is happy and healthy," said the publicist, who didn't release any other details.
Gosselaar, 32, and his wife, 34, were married in 1996. They have a 2-year-old son, Michael Charles.
The actor, who appeared most recently on ABC's "Commander in Chief," and his wife met on the set of the 1989-1993 teen comedy series "Saved by the Bell." Gosselaar played Zack Morris.
He also starred on ABC's "NYPD Blue."