Basil

Jared Leto

Basil

Christian Slater

John Mannion

Claire Forlani

Julia Sherwin

Rachel Pickup

Clara Fairfax

Derek Jacobi

Father Frederick

David Ross

Mr. Sherwin

Crispin Bonham-Carter

Ralph

Jenny Downham

Anna, Ralph's Wife

Stephanie Bagshaw

Emma Mannion

Christopher Owen

Father Mannion

Joanna John

Mother Agnes

Jackson Ellis Leach

Young Basil

Guy Witcher

Young John Mannion

Carli Fish

Young Clara Fairfax

Georgiana Johnson

Young Clara

Matthew Steer

Young Ralph

Jack Wild

Peddler

Sarah Hadland

Windmere House Chambermaid

Maisie Bryceland

Sherwin Maid

Hannah Morris

Regent's Park House Maid