10/09/2007 at 01:00 PM EDT
Nick Nolte and his companion, Clytie Lane, have welcomed their first child together.
"They're very happy about the addition," a rep for the 66-year-old actor tells PEOPLE.
According to Nolte's rep, the child was born on Wednesday in Los Angeles. "The baby girl, who has yet to be named, weighed 7 lbs. and 13 oz. at birth. Both mother and daughter are doing well."
The Prince of Tides
star has a son, Brawley, from a previous marriage, the spokesperson also said.
Nolte will next be seen in Paramount Pictures' The Spiderwick Chronicles
, and is currently filming the Ben Stiller comedy Tropic Thunder
The birth was first reported by the Insider
Reporting by ULRICA WIHLBORG