 Rodney DangerfieldMonty Capuletti | Monty Capuletti |
 Joe PesciNicky Cerone | Nicky Cerone |
 Geraldine FitzgeraldMrs. Monahan | Mrs. Monahan |
 Candice AzzaraRose Capuletti (as Candy Azzara) | Rose Capuletti (as Candy Azzara) |
 Val AveryLouie the Bartender | Louie the Bartender |
 Tom NoonanPaddy | Paddy |
 Taylor NegronJulio | Julio |
| LLili HaydnBelinda Capuletti | Belinda Capuletti |
 Jennifer Jason LeighAllison Capuletti | Allison Capuletti |
 Jeffrey JonesClive Barlow | Clive Barlow |
 Tom EwellScrappleton | Scrappleton |
 Jeff AltmanBill Jones (as Jeffrey Altman) | Bill Jones (as Jeffrey Altman) |
| DDavid VasquezHector | Hector |
 Kimberly McArthurGinger Jones | Ginger Jones |
 Frank VincentMobster Dressed in Trenchcoat (uncredited) | Mobster Dressed in Trenchcoat (uncredited) |
 Nick VallelongaSinging Wedding Party Guest (uncredited) | Singing Wedding Party Guest (uncredited) |
| FFrank SimpsonFather McIntyre | Father McIntyre |
 Arch JohnsonVendor at Armory | Vendor at Armory |
| DDennis BlairFashion Critic / Old Dying Man | Fashion Critic / Old Dying Man |
| SSteve SzucsBar Fly | Bar Fly |
| JJennifer Dana GiangrassoBirthday Girl | Birthday Girl |
 Mary Pat GleasonParty Mother | Party Mother |
 Angela PietropintoParty Mother | Party Mother |
| PPedro E. Ocampo, Sr.Julio's Father | Julio's Father |
| TTaylor ReedFat Guy | Fat Guy |
| FFiddle ViracolaFat Anthony's Mother | Fat Anthony's Mother |
| FFilomena SpagnuoloFat Anthony's Grandmother | Fat Anthony's Grandmother |
| PPeter D'ArcyBartender at Wedding | Bartender at Wedding |
| PPolli MagaroWoman in Wedding Party | Woman in Wedding Party |
| RRafael CruzMan in Wedding Party | Man in Wedding Party |
