Stephen Campbell Moore as Adam Fenwick-Symes

Emily Mortimer as Nina Blount

Harriet Walter as Lady Maitland

Michael Sheen as Miles Maitland

James McAvoy as Simon Balcairn

David Tennant as Ginger Littlejohn

Stockard Channing as Mrs. Melrose Ape

Fenella Woolgar as Agatha Runcible

Dan Aykroyd as Lord Monomark

Simon McBurney as Sneath

Julia McKenzie as Lottie Crump

Jim Broadbent as The Drunken Major

Simon Callow as King of Anatolia

Peter O'Toole as Colonel Blount

Imelda Staunton as Lady Brown

Bill Paterson as Sir James Brown

John Mills as Gentleman

Jim Carter as Chief Customs Officer

Adrian Scarborough as Customs Officer

Guy Henry as Archie

Richard E. Grant as Father Rothschild

Margaret Tyzack as Lady Thobbing

Paul Popplewell as Private

Nigel Planer as Taxi Driver

Angela Thorne as Kitty Blackwater

Lisa Dillon as Jane Brown

Alec Newman as Tiger

Alex Barclay as Vanburgh

Gerard Horan as Race Official

Rebekah Staton as Imperial Hotel Receptionist

Alan Williams as Bookie

Bruno Lastra as Basilio

Tony Maudsley as Race Steward

Arturo Venegas as Alphonse

Mark Gatiss as House Agent

Nicholas Le Prevost as Lord Maitland

Tom Frederic as Party Guest

Stephen Fry as Chauffeur

Mark Hardy as Angry Gentleman

Lisa Jackson as Mary Moore

Rachel Ann Courtney as Angel