The Office star Amy Ryan is expecting her first child, a rep for the actress confirms to

See which other celebs are pregnant this summer.

Ryan, 39, and her comedy writer fiance, Eric Slovin, will become parents this October.

Check out photos of stylish moms on the go!

Earning a 2007 best supporting actress Oscar nomination for Gone Baby Gone, in which she appeared as a troubled mom searching for her missing child, Ryan had a recurring role on NBC's The Office last season as a human resources rep who dated Steve Carell's character Michael Scott. While it was hinted that her character on The Office might appear in future episodes, executive producer Paul Lieberstein tells Us there are no plans for Ryan's Holly Flax to return, "though we would love to have her."