Inseparable since childhood, levelheaded Katie takes her codependent best friend Delaney on a girls’ trip to break the news that she is getting married. Things do not go as planned.
| Actor | Role |
|---|---|
 Katie CorwinKatie | Katie |
 Delaney BuffettDelaney | Delaney |
 Mason GoodingJohn | John |
 Zachary QuintoHenry | Henry |
 Alexander HodgeTheo | Theo |
 Connor HinesCharlie | Charlie |
 Michael RowlandTommy | Tommy |
 Carmen ChristopherPhil | Phil |
 Cory WallsDougie | Dougie |
 Cazzie DavidRoxy | Roxy |
 Casey WilsonAlex | Alex |
 Owen ThieleLuca | Luca |
 Benjamin NorrisKyle | Kyle |
 Miki IshikawaGwen | Gwen |
 Heather MazurDaria | Daria |
| JJolie Natalia HandlerKatie (Young) | Katie (Young) |
 Keeley KarstenDelaney (Young) | Delaney (Young) |
 Holly BonneyJanet | Janet |
| HHannah CampbellMel | Mel |
 Ross TurnerFather of the Bride | Father of the Bride |