Two best friends, Emma and Phoebe, decide to get pregnant simultaneously to navigate motherhood together, but their friendship is tested when only one of them conceives.
| Actor | Role |
|---|---|
 Karen GillanEmma | Emma |
 Zoë ChaoPhoebe | Phoebe |
 Sam RichardsonBen | Ben |
 Max GreenfieldBrian | Brian |
 KJ ApaRob | Rob |
 Ed Begley Jr.Dr. Young | Dr. Young |
 Mary SteenburgenSue | Sue |
 Amanda CrewBella | Bella |
 Luke MacfarlaneDr. Morrison | Dr. Morrison |
 Taylor MisiakAmanda | Amanda |
 Lilly SinghMadison | Madison |
 Jana SchmiedingRain | Rain |
 Kulani KaiJulie | Julie |
 Dana MillicanNot listed | Not listed |