Sibling drama overshadows the impending nuptials of Danni Sposato and her longtime boyfriend, Geoff Brancato. Television actress Niki brings her manager-boyfriend, Marty, to meet the family for the first time, while spiky youngest sister Toni shows off her bandmate and lover, Amy, and driven Wall Street banker Chrissy flashes the status symbols of her financial success.
| Actor | Role |
|---|---|
 Amanda DetmerDanisa 'Danni' Sposato | Danisa 'Danni' Sposato |
 Sean Patrick FlaneryTom Terranova | Tom Terranova |
 Brooke LangtonNicoletta 'Niki' Sposato | Nicoletta 'Niki' Sposato |
 Monet MazurAntonia 'Toni' Sposato | Antonia 'Toni' Sposato |
 Alyssa MilanoAmy Kayne | Amy Kayne |
 Vanessa PariseChristina 'Chrissy' Sposato | Christina 'Chrissy' Sposato |
 Johnathon SchaechGeoffrey 'Geoff' Brancato | Geoffrey 'Geoff' Brancato |
 Talia ShireIrene Sposato | Irene Sposato |
 Burt YoungSanto Sposato | Santo Sposato |
 Johnny WhitworthMarty | Marty |
 Frances BayNot listed | Not listed |