Michelle Pfeiffer

Rosie

Paul Rudd

Adam Perl

Saoirse Ronan

Izzie Mensforth

Tracey Ullman

Mother Nature

Stacey Dash

Brianna Minx

Fred Willard

Marty

Jon Lovitz

Nathan Mensforth

Sarah Alexander

Jeannie

Yasmin Paige

Melanie

Graham Norton

Taylor

David Mitchell

David - Writer

O-T Fagbenle

Sean Jamal Knight

Rory Copus

Dylan

Steve Pemberton

Censor

Henry Winkler

Self

Twink Caplan

Sissy

Ashley Lloyd

Zak

Wallace Shawn

Izzie's Teacher

Mackenzie Crook

Producer

Peter Polycarpou

2nd Producer

Olivia Colman

Hairdresser

Archie Panjabi

Casting Girl

Ed Byrne

Delivery Boy

Chike Chan

Allergy Actor

Troy Gentile

Fighting Boy

Sally Kellerman

Self

Phil Cornwell

Cameraman

Iddo Goldberg

Director

Noah Lee Margetts

Monty

Jonathan Ryland

Prop Guy

Simon Kunz

Intruder

Victoria Chalaya

Nathan's Wife

Doña Croll

Marty's Secretary

Cassandra Bell

Pretty Waitress

Joe Montana

Very Large Guy

Wallace Shawn

Math Teacher (uncredited)

Kya Garwood

You go girl crew (uncredited)

Erin Gavin

Dancer (uncredited)

David Cassidy

Self (archive footage) (uncredited)

Richard Nixon

Self (archive footage) (uncredited)

Benito Mussolini

Self (archive footage) (uncredited)