Simon Pegg character Sidney Young
Kirsten Dunst character Alison Olsen
Megan Fox character Sophie Maes
Danny Huston character Lawrence Maddox
Gillian Anderson character Eleanor Johnson
Jeff Bridges character Clayton Harding
Bill Paterson character Richard Young
Max Minghella character Vincent Lepak
Miriam Margolyes character Mrs. Kowalski
Margo Stilley character Ingrid
Jefferson Mays character Bill Nathanson
Diana Kent character Rachel Petkoff
Kelan Pannell character Young Sidney
Janette Scott character Sidney's Mother
Katherine Parkinson character PR Woman
Felicity Montagu character Clipboard Nazi
Chris O'Dowd character Post Modern Review Staff
James Corden character Post Modern Review Staff
Fenella Woolgar character Post Modern Review Staff
Thandie Newton character Thandie Newton
Ricky Gervais character Ricky Gervais (uncredited)
Toni Collette character Toni Collette (uncredited)
Kate Winslet character Kate Winslet (uncredited)
Daniel Craig character Daniel Craig (uncredited)
Julia West character Mother Superior - Trailer
Sam Douglas character Barman
John Lightbody character Assistant Hotel Manager
Kelly Jo Charge character Apollo Awards Presenter
Christian Maier Smith character Apollo Awards Guest
Brian Austin Green character Party Guest (uncredited)
Charlotte Sevaney character Bobbie
