Scott Haran Thomas "Tom" Clarke
Percelle Ascott Benjamin "Benny" Sherwood
Annette Badland Ursula Crowe
Michael Higgs Michael Clarke
Dan Starkey Randal Moon
Jefferson Hall Varg
Gwendoline Christie Lexi
Brian Blessed The Nekross King (voice)
Tom Bell Technician Jathro 15
Alex Childs Lady Lyzera