Sam Rockwell as Jim Crocker

Frances O'Connor as Ann Chester

Tobias Menzies as Reg 3

Tom Wilkinson as Bingley Crocker

Brenda Blethyn as Nesta Pett

Allison Janney as Eugenia Crocker

Hugh Bonneville as Lord Wisbeach

Tom Hollander as Willie Partridge

Geoffrey Palmer as Bayliss

Pam Ferris as Miss Trimble

Kevin Eldon as Wizzy Wisbeach

Nitin Ganatra as Banje Singh

Austin Pendleton as Peter Pett

Rupert Simonian as Ogden Ford

Delia Lindsay as Duchess of Arminster

Shauna Shim as Pett House Main

Georgina Chapman as Connie 1