The sisters meet a new sibling, restaurant owner Nate who helps them secure one of the most exclusive reservations in New York. Unfortunately, the dinner doesn't go as planned and Julia is forced to apologize to Roxy and Edie for her missteps. Meanwhile, Edie and Tim discuss starting a family, but Edie is conflicted on where she stands, Dr. Bechley begins his volunteer work at a hospital, where he uncovers another "Bechley Baby" and Roxy invests her time in training her gymnastics protégé, Izzy, while tensions with her parents rise.
- Brittany Snow as Julia Bechley
- Megalyn Echikunwoke as Edie Palmer
- Emily Osment as Roxy Doyle
- Timothy Hutton as Leon Bechley
- Mo McRae as Tim Moore
- Mustafa Elzein as Isaac Abadi
- Victoria Cartagena as Amanda Doherty
- Timothy Busfield as Ron Doyle
- Victoria Clark as Diane Doyle
- Tamara Tunie as Genevieve Palmer
- Bryce Lorenzo as Izzy
- Michael Urie as Nate
- Daniel Cosgrove as Chad
- Garrett Coffey as Jesse Braddock
- Lauren Lim Jackson as Natalie
- Doug Barron as Max
- Danny Scheie as Nurse Bruce
- George Deihl Jr. as "Businessman"
- David Austin as "Kid #1"
- Emperor Kaioyus as "Kid #2"
- Aleta LaFargue as "New Mom"
- Cristala Carter as "Group Leader"
- Sherin Shetty as "Resident"