Michelle Pfeiffer

Rosie

Paul Rudd

Adam

Saoirse Ronan

Izzie

Stacey Dash

Brianna

Sarah Alexander

Jeannie

Graham Norton

Taylor

Jon Lovitz

Nathan

Fred Willard

Marty

Tracey Ullman

Mother Nature

Yasmin Paige

Melanie

Rory Copus

Dylan

O-T Fagbenle

Sean

Iddo Goldberg

Director

Noah Lee Margetts

Monty

Jonathan Ryland

Prop Guy

Phil Cornwell

Cameraman

Twink Caplan

Sissy

Olivia Colman

Hairdresser

Steve Pemberton

Censor

Simon Kunz

Intruder

Archie Panjabi

Casting Girl

Chike Chan

Allergy Actor

John-Paul Horsley

Stuttering Actor

Mackenzie Crook

Producer

Peter Polycarpou

2nd Producer

Doña Croll

Marty's Secretary

David Mitchell

David - Writer

Sally Kellerman

Herself

Ashley Lloyd

Zak

Troy Gentile

Fighting Boy

Cassandra Bell

Pretty Waitress

Ed Byrne

Delivery Boy

Sam Fusaro

Bouncer

Joe Montana

Very Large Guy

Victoria Chalaya

Nathan's Wife

Erin Gavin

Dancer (uncredited)

Rene Costa

Diner (uncredited)

Kya Garwood

Filming Crew (uncredited)

Melanie Martin

Sean's Wife (uncredited)

Wallace Shawn

Math Teacher (uncredited)

Henry Winkler

Self (uncredited)

Ronan Summers

Staff Writer (uncredited)