Simon Pegg

Character: Sidney Young

Kirsten Dunst

Character: Alison Olsen

Danny Huston

Character: Lawrence Maddox

Megan Fox

Character: Sophie Maes

Jeff Bridges

Character: Clayton Harding

Gillian Anderson

Character: Eleanor Johnson

Max Minghella

Character: Vincent Lepak

Jefferson Mays

Character: Bill Nathanson

Bill Paterson

Character: Richard Young

Miriam Margolyes

Character: Mrs. Kowalski

Kelan Pannell

Character: Young Sidney

Janette Scott

Character: Sidney's Mother

Kelly Jo Charge

Character: Apollo Awards Presenter

Christian Maier Smith

Character: Apollo Awards Guest

Katherine Parkinson

Character: PR Woman

Felicity Montagu

Character: Clipboard Nazi

Thandiwe Newton

Character: Self

John Lightbody

Character: Assistant Hotel Manager

Ian Bonar

Character: Post Modern Review Staff

James Corden

Character: Post Modern Review Staff

Fenella Woolgar

Character: Post Modern Review Staff

Chris O'Dowd

Character: Post Modern Review Staff

Hugh Thompson

Character: Post Modern Review Staff

Emily Thorling

Character: Post Modern Review Staff

Miquel Brown

Character: Clayton's Assistant

Nathalie Cox

Character: Woman in Bar

Sam Douglas

Character: Barman

Charlotte Devaney

Character: Bobbie

Gillian King

Character: Sharps Assistant

Margo Stilley

Character: Ingrid

Isabella Calthorpe

Character: Anna

Hannah Waddingham

Character: Elizabeth Maddox

Diana Kent

Character: Rachel Petkoff

Emily Denniston

Character: Maddox's Assistant

Ashley Madekwe

Character: Vicky

Lisa McAllister

Character: Sophie Maes' Assistant

Julia West

Character: Mother Superior – Trailer

Brona C. Titley

Character: Nun – Trailer

Charles de Bromhead

Character: Young Priest – Trailer

Jane Perry

Character: Mrs. Harding

Connie Wheeler

Character: Harding Child

Lara Edmunds

Character: Harding Child

Allen Lidkey

Character: July 4th Party Guest

Robert B. Weide

Character: July 4th Party Guest

Nathan Nolan

Character: July 4th Party Waiter

Andy Lucas

Character: Wizard Dentist

Alexandra Aitken

Character: Nightclub Girl

Sarah Mennell

Character: Flight Desk Attendant

Liat Baruch

Character: Couple on Blanket

Eivind Karlsen

Character: Couple on Blanket

Brian Austin Green

Character: Party Guest (uncredited)

Toni Collette

Character: Self (uncredited)

Daniel Craig

Character: Self (uncredited)

Ricky Gervais

Character: Self (uncredited)

Kate Winslet

Character: Self (uncredited)

Edward Lemont

Character: Sharps Magazine Receptionist (uncredited)

Dennis Jay Funny

Character: Office Lobby Concierge (uncredited)

Elli

Character: Newsstand Vendor (uncredited)

Jemma Bolt

Character: Sharps Girl (uncredited)

Forbes KB

Character: Hotel Security (uncredited)

James Schram

Character: Doorman / Bouncer (uncredited)

Mitchell Green

Character: Bouncer (uncredited)

Cris Blanco

Character: Night Club Patron / Party Goer (uncredited)

Giada Dobrzenska

Character: Fashion Party Girl (uncredited)

Oliver Martin

Character: Maddox's Friend at Party (uncredited)

Davide Petrucci

Character: Guest at Party (uncredited)

Ashton Swinford

Character: Glamorati (uncredited)

Thor Knai

Character: Sharps Party Celebrity (uncredited)

Debbie Attwell

Character: Red Carpet Fan (uncredited)

Robert Stone

Character: BAFTA Security (uncredited)

Michael Berendt

Character: Award Winner (uncredited)