Miranda Richardson
as Elizabeth Mapp
Anna Chancellor
as Emmeline "Lucia" Lucas
Steve Pemberton
as Georgie Pillson
Mark Gatiss
as Major Benjamin "Benjy" Flint
Pippa Haywood
as Susan Wyse MBE
Poppy Miller
as Evie Bartlett
Felicity Montagu
as Godiva "Diva" Plaistow
Paul Ritter
as Reverend Kenneth "Padre" Bartlett
Gemma Whelan
as Irene Coles
Nicholas Woodeson
as Algernon Wyse
Katy Brand
as Hermione "Hermy" Pillson
Harish Patel
as Guru
Joanna Scanlan
as Ursula "Ursy" Pillson
Frances Barber
as Amelia / Contessa Di Faraglione