Jared Leto as Basil

Christian Slater as John Mannion

Claire Forlani as Julia Sherwin

Rachel Pickup as Clara Fairfax

Derek Jacobi as Father Frederick

David Ross as Mr. Sherwin

Crispin Bonham-Carter as Ralph

Jenny Downham as Anna, Ralph's Wife

Stephanie Bagshaw as Emma Mannion

Christopher Owen as Father Mannion

Joanna John as Mother Agnes

Jackson Ellis Leach as Young Basil

Guy Witcher as Young John Mannion

Carli Fish as Young Clara Fairfax

Georgiana Johnson as Young Clara

Matthew Steer as Young Ralph

Jack Wild as Peddler

Sarah Hadland as Windmere House Chambermaid

Maisie Bryceland as Sherwin Maid

Hannah Morris as Regent's Park House Maid

Ann-Louise Grimshaw as Knitting Nurse

Glenn Marks as Tramp

Michael Lieber as Boy with fishing rod