Hermione Corfield
as Emma Garland
Steven Mackintosh
as Richard Garland
Olivia Williams
as Lady Priscilla Hamilton
Matt Ryan
as Joe O'Hara
Kara Tointon
as Betsey Day
Mark Benton
as Feldman
Edward Bluemel
as Toby Hamilton
Jamie Blackley
as Freddie Hamilton
Annabelle Apsion
as Lillian Hobbs
Nick Brimble
as Skinner
Michael Carter
as Wilfred Reynolds
Lauren Coe
as Kate Loughlin
Ṣọpẹ́ Dìrísù
as Sonny Sullivan
Alex Boxall
as Tom
Gordon Kennedy
as Robbie
Akshay Kumar
as Adil Joshi
Liz White
as Peggy Taylor
Nico Rogner
as Max Klein
Ewan Mitchell
as Billy Taylor
Charles Edwards
as Lucian D'Abberville
Kevin Eldon
as George Parry
Charity Wakefield
as Charity Lambert
Jamie Cullum
as Wedding Singer
Danny Webb
as Mortimer
Alex Jennings
as Lord Lawrence Hamilton
Beverley Knight
as Ruby
Eric Godon
as Comte De St Claire
Fenella Woolgar
as Lady Ashworth