Toni Collette and Dave Galafassi
04/24/2011 at 08:00 PM EDT
It's a boy for Toni Collette!
The star of Showtime's The United States of Tara
and her husband David Galafassi's son was born on Friday in Australia, her rep tells PEOPLE exclusively.
"Toni Collette, her husband David Galafassi and their daughter Sage Galafassi are excited and proud to announce the arrival of their baby boy, Arlo Robert Galafassi," the rep says.
"He was born on Good Friday making it the greatest Friday, indeed!" the couple said in a statement.
Collette was understandably absent from Saturday's premiere of her new movie Jesus Henry Christ
at the Tribeca Film Festival in New York City on Saturday.
"She is doing well," the film's director Dennis Lee told PEOPLE on the red carpet.
is the executive producer
of Jesus Henry Christ
, which tells the story of a child genius who was conceived in a petri-dish and is determined to find his biological father.
Collette married musician Galafassi in 2003. Their daughter
Sage is 3.