Hilary Swank

Claire Morgan

Robert De Niro

Stan Harris

Michelle Pfeiffer

Ingrid Withers

Josh Duhamel

Sam

Sarah Jessica Parker

Kim Doyle

Zac Efron

Paul

Lea Michele

Elise

Ashton Kutcher

Randy

Halle Berry

Nurse Aimee

Jon Bon Jovi

Daniel Jensen

Katherine Heigl

Laura Carrington

Seth Meyers

Griffin Byrne

Jessica Biel

Tess Byrne

Til Schweiger

James Schwab

Carla Gugino

Spiritual Dr. Morriset

Cary Elwes

Stan's Doctor

Sofía Vergara

Ava

Héctor Elizondo

Kominsky

Abigail Breslin

Hailey Doyle

Ludacris

Brendan

Sarah Paulson

Grace Schwab

Alyssa Milano

Nurse Mindy

Jake T. Austin

Seth

Katherine McNamara

Lily Bowman

Nat Wolff

Walter

Yeardley Smith

Maude

Ryan Seacrest

Self

Michael Bloomberg

Self

Fiona Choi

Balinese Woman - Resolution Tour

Michael Mandell

Murray

Jim Belushi

Building Super

Mara Davi

Mika

Cassidy Reiff

Piper

Amber Bela Muse

Nurse Risa

Russell Peters

Chef Sunil

Serena Poon

Chef Ming

Common

Soldier

Ross Ryman

Pedicab Driver

Jackie Seiden

Bride Trish

Kal Parekh

Male Obstetrician

Joey McIntyre

Groom Rory

Beth Kennedy

Piper's Mom

Larry Miller

Harley (segment "Ahern Party")

Christine Lakin

Waitress Alyssa

Lillian Lifflander

Mrs. Lifflander

Shea Curry

Wendy

Matthew Broderick

Mr. Buellerton (uncredited)

John Lithgow

Jonathan Cox (uncredited)

Barbara Marshall

Head Nurse Helen

Penny Marshall

Penny Marshall

Cherry Jones

Mrs Rose Ahern

Marvin Braverman

Vendor Marvin

Charlotte Marshall-Fricker

Caring Teenage Girl (segment "Resolution Tour")

Denise Violante

Female Cop Denise

Matthew Walker

Engineer Douglas (segment "Time Square") (as Matt Walker)

Sean O'Bryan

Pastor Edwin

Jack McGee

Grandpa Jed

Benjamin McGowan

Logan

Juliette Angelo

Sadie

Drena De Niro

Ahern Waitress

Sandra Taylor

Patty

Earl Rose

Pianist

Amar'e Stoudemire

Party Dancer

Kathleen Marshall

Stage Manager Charlotte

Joey Sorge

Radio Reporter Arthur

Rob Nagle

Officer Nolan

David Valcin

Reporter Murphy

Pat Battle

Reporter Pat Battle

Tom Hines

Announcer Brady Finley

Sam Marshall

Crowd Surfing Kid

Emily Moss Wilson

Crazy Jensen Fan

Nicole Dupre Sobchack

Kissing Reveler #1

Anna Kulinova

Kissing Reveler #2

Lily Marshall-Fricker

Reveler Lucy Camille