Billy
Michael Douglas
Paddy
Robert De Niro
Archie
Morgan Freeman
Sam
Kevin Kline
Diana
Mary Steenburgen
Dean
Jerry Ferrara
Lonnie
Romany Malco
Maurice
Roger Bart
Miriam
Joanna Gleason
Lisa
Bre Blair
Ezra
Michael Ealy
Maid of Honor
April Billingsley
Danny the Greaser
Stephen Scott Scarpulla
Bachelorette
Andrea Moore
Young Billy
Noah Harden*
Young Paddy
R.J. Fattori*
Security Guard
Dan Hewitt Owens
Young Archie
Aaron Bantum*
Floor Manager
Edward Edwards
50 Cent
50 Cent
Young Sam
Phillip Wampler
Blackjack Dealer
Lisa Young
Young Sophie
Olivia Stuck
Ezra's Wife
Karen Ceesay
Elizabeth
Ashley Spillers
Stefan Gordy
RedFoo
Young Paddy (Robert De Niro) (voice)
Ryan Hartwig
Party Patron
Merry Whitney
Pit Boss
Ray Abruzzo
Chapel Officiant
Elliott Street
Hot Waitress
Weronika Rosati
Shufflebot
Andrew Furr
Blackhawk
David Ekott
Bouncer
Michael Beasley
Neil
Ric Reitz
Cabbie
Michael Farris
Cher Impersonator
Savannah Leigh Bergeron
Ira
Richard Mooney
Madison #1
Janay Oakland
Madison #2
Diana Boyle
Taylor
Christie George
Maurice's Wife
Kelly O'Neal
Dean's Friend
Garrett Hines
Dean's Girl
Jena Sims
Brunette in Pool
Nicci Faires
Blonde in Pool
Autumn Dial
Aqua Aerobics Instructor
Polly Craig
Bartender
Dane Davenport
Party Guest
Maria Malcom
Prize Wheel Girl
Natalia Harris
Coughing Man
Murray Nicholson
Man at Funeral
Louis Fox
Woman at Funeral
Mimi Gould
ARIA Bellman
Matt Bauer
Lounge Complainer
Doug Kaye
Lounge Woman
Susan Shalhoub Larkin
Airport Taxi Guy
Michael Cohen
Nelson
Frankie Muniz
Sal
Barry Bostwick
Oren
Michael Steger
TJ
Andrew Lawrence
Serena
Summer Bishil
Amber
Jillian Nelson
Heidi
Brooke Anne Smith
Elisa Gabrielli