Martyn Pick Director Terence Stamp Severus Voice John Hurt Carnak Voice Sean Pertwee Proteus Voice Steven Waddington Verenor Voice Donald Sumpter Pythol Voice Johnny Harris Nidon Voice Ben Bishop Crastor Voice Gary Martin Hypax Voice Christopher Finney Boreas Voice Dan Abnett Screenwriter Linda James Executive Producer Vanessa Chapman Executive Producer Marc Roberge Executive Producer Dominique St-Louis Executive Producer Yu-Fai Suen Executive Producer Adam Harvey Original Music Darren Lovell Cinematographer David Lewis Smith Film Editing Brendan McNamara Casting