Patrick 'Paddy' Connors

Archibald 'Archie' Clayton

Billy Gerson

Sam Harris

Diana Boyle

Dean

Lonnie

Maurice

Miriam Harris

Ezra Clayton

Lisa

Maid of Honor

Danny the Greaser

Bachelorette

Security Guard

Floor Manager

50 Cent

Blackjack Dealer

Elizabeth

Stefan Gordy

Young Paddy (voice)

Party Patron

Drag Queen in Pink (uncredited)

Young Billy

Young Archie

Young Sam

Young Sophie

Shufflebot