Laura Donnelly as Amalia True
Ann Skelly as Penance Adair
Olivia Williams as Lavinia Bidlow
James Norton as Hugo Swann
Tom Riley as Augustus “Augie” Bidlow
Pip Torrens as Lord Gilbert Massen
Denis O'Hare as Dr. Edmund Hague
Rochelle Neil as Annie “Bonfire” Carby
Amy Manson as Maladie
Zackary Momoh as Dr. Horatio Cousens
Eleanor Tomlinson as Mary Brighton
Nick Frost as Declan “Beggar King” Orrun
Elizabeth Berrington as Lucy Best
Viola Prettejohn as Myrtle Haplisch
Ella Smith as Désirée Blodgett
Anna Devlin as Primrose Chattoway
Kiran Sonia Sawar as Harriet Kaur
Vinnie Heaven as Nimble Jack
Ben Chaplin as Frank Mundi