Sylvester McCoy (The Doctor)
Sophie Aldred (Ace)
Bonnie Langford (Mel)
Fiona Sheehan (Ruth Drexler/ Avvox)
Nicholas Asbury (Chairman Bart Falco)
Nicholas Briggs (Chordok)
Caitlin Thorburn (Karlas)
Ignatius Anthony (Gorrister)
Louise Mai Newberry (Director Shen)