Steve Carell

Dan

Juliette Binoche

Marie

Dane Cook

Mitch

Alison Pill

Jane

Britt Robertson

Cara

Marlene Lawston

Lilly

Dianne Wiest

Nana

John Mahoney

Poppy

Emily Blunt

Ruthie Draper

Amy Ryan

Eileen

Norbert Leo Butz

Clay

Jessica Hecht

Amy

Frank Wood

Howard

Henry Priest Miller

Will

Ella Miller

Rachel

CJ Adams

Elliot

Jessica Lussier

Jessica

Seth D'Antuono

Gus

Margot Janson

Olivia

Willa Cuthrell-Tuttleman

Bella

Felipe Dieppa

Marty Barasco

Matthew Morrison

Policeman

Bernie McInerney

James Lamson

Amy Landecker

Cindy Lamson

Steve Mellor

Bookstore Clerk

Pauline Gregory

Bowling Alley Manager

Shana Carr

Suzanne Burns

Nicole Morin

Jane (age 13)

Charlotte Davies

Cara (age 11)

Zoe Pauliks

Lilly (age 4)

Lucas Hedges

Lilly's Dance Partner

Sondre Lerche

Himself

Kato Ådland

The Faces Down Wedding Band (Guitar)

Ole Ludvig Krüger

The Faces Down Wedding Band (Drums)

Morten Skage

The Faces Down Wedding Band (Bass)

Marci Occhino

Wedding Singer

John Franchi

NYC Cabbie (uncredited)