Michael Winterbottom Director, Screenwriter Steve Coogan Sir Richard McCreadie Actor Isla Fisher Samantha Actor Shirley Henderson Margaret Actor David Mitchell Nick Actor Asa Butterfield Finn Actor Dinita Gohil Amanda Actor Sophie Cookson Lily Actor Jamie Blackley Young Richard McCreadie Actor Shanina Shaik Naomi Actor Jonny Sweet Jules Actor Sarah Solemani Melanie Actor Tim Key Sam Actor Asim Chaudhry Frank the Lion Tamer Actor Ollie Locke Fabian Actor Pearl Mackie Cathy Actor Kareem Alkabbani Kareem Actor Stephen Fry Self Astrid Seegers Store Manager Actor Christophe de Choisy François Actor Jill Buchanan Shopper Actor Matt Bentley Adrian McCreadie Actor Pierre Bergman Limo Driver Actor Michel Alexandre Gonzalez Retailer Shopping Center Actor Joe Tucker Manager Actor Richard Attlee Accountant Actor Richard Betts Bob the Banker Actor Damian Jones Producer Melissa Parmenter Producer Giles Nuttgens Cinematographer Liam Hendrix Heath Film Editing Harry Escott Original Music Denis Schnegg Production Design Matt Fraser Art Director Anthony Unwin Costume Design Sarah Crowe Casting