Ricky Gervais

Mark Bellison

Jennifer Garner

Anna McDoogles

Louis C.K.

Greg Kleinschmidt

Rob Lowe

Brad Kessler

Jonah Hill

Frank Fawcett

Jeffrey Tambor

Anthony James

Fionnula Flanagan

Martha Bellison

Tina Fey

Shelley Bailey

Donna Sorbello

Anna's Mother

Jason Bateman

Doctor

Philip Seymour Hoffman

Jim the Bartender

Jimmi Simpson

Bob

Stephanie March

Blonde

Ruben Santiago-Hudson

Landlord

John Hodgman

Wedding Overseer

Nate Corddry

News Reporter

Christopher Guest

Nathan Goldfrappe

Alton Fitzgerald White

Angelo Badsmith

Edward Norton

Cop

Shaun Williamson

Richard Bellison

Stephen Merchant

Man at the Door

Michael Patrick Gough

Homeless Man

Ashlie Atkinson

Bank Teller

Lisa Paige Robinson

Arguing Girlfriend

Martin Starr

Waiter #1

Tate Ellington

Waiter #2

Arnie Burton

Waiter at Fancy Restaurant

Bobby Moynihan

Assistant

Cole Jensen

Short Fat Brian

Conner Rayburn

Son

Roz Ryan

Nurse #1

Nada Despotovich

Nurse #2

Jared Voss

Person #1

Elena Wohl

Person #3

Matthew Robinson

Person #4

Joe Stapleton

Man #8

Eric André

Man #4

Gene Amoroso

Man #5

Armen Garo

Man #6

Dreama Walker

Receptionist

Rachel Harker

Woman in Business Suit

Toni Saladna

Cocktail Waitress

Ken Cheeseman

Shouting Man

David Pittu

Tour Guide

Danielle Perry

Hostess in La Bonisera

Celeste Oliva

Secretary

Alison Quinn

Talking Head Woman

John Franchi

Casino Gambler (uncredited)