Encouraged by his girlfriend Ellie, Sebastian and his Italian immigrant father, Salvo, spend the 4th of July weekend with her wealthy and exceedingly eccentric family. The gathering soon develops into a culture clash, allowing father and son to discover the true meaning of family.
| Actor | Role |
|---|---|
 Sebastian ManiscalcoSebastian Maniscalco | Sebastian Maniscalco |
 Robert De NiroSalvo Maniscalco | Salvo Maniscalco |
 Leslie BibbEllie Collins | Ellie Collins |
 Anders HolmWilliam 'Lucky' Collins XIII | William 'Lucky' Collins XIII |
 David RascheWilliam 'Bill' Collins XII | William 'Bill' Collins XII |
 Brett DierDoug Collins | Doug Collins |
 Kim CattrallSen. Tigger MacArthur (Collins) | Sen. Tigger MacArthur (Collins) |
 Arielle PrepetitMichelle | Michelle |
 Adan James CarrilloYoung Sebastian | Young Sebastian |
| CColby ShinnBrett | Brett |
| DDerek M. Puma80s car guy | 80s car guy |