Character Name : Dan

Original Name : Steve Carell

Gender : Male

Character Name : Marie

Original Name : Juliette Binoche

Gender : Female

Character Name : Mitch

Original Name : Dane Cook

Gender : Male

Character Name : Jane

Original Name : Alison Pill

Gender : Female

Character Name : Cara

Original Name : Britt Robertson

Gender : Female

Character Name : Lilly

Original Name : Marlene Lawston

Gender : Female

Character Name : Nana

Original Name : Dianne Wiest

Gender : Female

Character Name : Poppy

Original Name : John Mahoney

Gender : Male

Character Name : Ruthie Draper

Original Name : Emily Blunt

Gender : Female

Character Name : Eileen

Original Name : Amy Ryan

Gender : Female

Character Name : Clay

Original Name : Norbert Leo Butz

Gender : Male

Character Name : Amy

Original Name : Jessica Hecht

Gender : Female

Character Name : Howard

Original Name : Frank Wood

Gender : Male

Character Name : Will

Original Name : Henry Priest Miller

Gender : Male

Character Name : Rachel

Original Name : Ella Miller

Gender : Male

Character Name : Elliot

Original Name : CJ Adams

Gender : Male

Character Name : Jessica

Original Name : Jessica Lussier

Gender : Female

Character Name : Gus

Original Name : Seth D'Antuono

Gender : Male

Character Name : Olivia

Original Name : Margot Janson

Gender : Male

Character Name : Bella

Original Name : Willa Cuthrell-Tuttleman

Gender : Male

Character Name : Marty Barasco

Original Name : Felipe Dieppa

Gender : Male

Character Name : Policeman

Original Name : Matthew Morrison

Gender : Male

Character Name : James Lamson

Original Name : Bernie McInerney

Gender : Male

Character Name : Cindy Lamson

Original Name : Amy Landecker

Gender : Female

Character Name : Bookstore Clerk

Original Name : Steve Mellor

Gender : Male

Character Name : Bowling Alley Manager

Original Name : Pauline Gregory

Gender : Male

Character Name : Suzanne Burns

Original Name : Shana Carr

Gender : Female

Character Name : Jane (age 13)

Original Name : Nicole Morin

Gender : Female

Character Name : Cara (age 11)

Original Name : Charlotte Davies

Gender : Male

Character Name : Lilly (age 4)

Original Name : Zoe Pauliks

Gender : Male

Character Name : Lilly's Dance Partner

Original Name : Lucas Hedges

Gender : Male

Character Name : Himself

Original Name : Sondre Lerche

Gender : Male

Character Name : The Faces Down Wedding Band (Guitar)

Original Name : Kato Ådland

Gender : Male

Character Name : The Faces Down Wedding Band (Drums)

Original Name : Ole Ludvig Krüger

Gender : Male

Character Name : The Faces Down Wedding Band (Bass)

Original Name : Morten Skage

Gender : Male

Character Name : Wedding Singer

Original Name : Marci Occhino

Gender : Male

Character Name : NYC Cabbie (uncredited)

Original Name : John Franchi

Gender : Male