May 28, 2014 10:00 AM

Kendal Rey Photography

It’s official: Scott Wolf is back to being a party of five.

The actor welcomed his third child, daughter Lucy Marie Wolf, with wife Kelley on Saturday, May 24, his rep confirms to PEOPLE exclusively.

Lucy arrived at 8:48 a.m. weighing in at 6 lbs., 13 oz., and was welcomed by big brothers Miller William, 18 months, and Jackson Kayse, 5.

Baby girl had her doting dad wrapped around her finger even before she was born. When the Perception recurring star, 45, announced in November that he and his wife were expecting, he admitted defeat.

“She will own me. I’m already mad at my boys,” he joked.

This summer, Wolf joins the cast of NBC’s The Night Shift for a four episode guest arc, while Perception returns for its third season June 17 on TNT.

Our first ball of pink lint. Here she comes…

— Scott Wolf (@iamscottwolf) May 24, 2014

She's here. Lucy Marie Wolf. The rest of her is even cuter. Welcome my little love.

— Scott Wolf (@iamscottwolf) May 29, 2014

— Anya Leon with reporting by Aili Nahas and Monica Rizzo

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