Publisher's summary Edit
to be added
- Professor Bernice Summerfield - Lisa Bowerman
- The Doctor - Sylvester McCoy
- Ace - Sophie Aldred
- Sutekh the Destroyer - Gabriel Woolf
- Courtland - Matthew Bates
- Susannah - Rachel Atkins
- Alyx - Naomi McDonald
- Cultist - Guy Adams
- Alyx ascends to the title of Isis.
- This story was recorded on 13, 14, 17, and 18 November and 5 December 2014 at The Moat Studios and The Sound House.
- The opening narration compares Sutekh to the devil. Gabriel Woolf, the actor playing Sutekh, also played the Beast, and played the devil in Big Finish's audio drama All Through the House, which is not covered by this wiki.
- Earth in the 29th century has been rendered uninhabited due to a rise in solar flares. The Doctor fools Sutekh to believe he has achieved a victory in wiping out humanity by transporting him forward to this time. (TV: The Ark in Space, The Beast Below)