Tom Hardy

as James Keziah Delaney

Jonathan Pryce

as Sir Stuart Strange

Oona Chaplin

as Zilpha Geary

David Hayman

as Brace

Leo Bill

as Benjamin Wilton

Richard Dixon

as Edmund Pettifer

Edward Hogg

as Michael 'Godders' Godfrey

Michael Kelly

as Dr. Edgar Dumbarton

Franka Potente

as Helga von Hinten

Jessie Buckley

as Lorna Bow