He also requested the inclusion of the Ice Warriors, who hadn't been seen in Doctor Who since The Monster of Peladon in 1974. As the third in production, this script was the least complete at the time of the cancellation, and no director had yet been announced (evidence suggests it might have been Ron Jones, who helmed both of Martin's other scripts for the series).
The writer requested the inclusion of the Ice Warriors, a group that hadn't appeared in Doctor Who since "The Monster of Peladon" in 1974. This script was the third to be produced and was unfinished at the time of cancellation; no director had been assigned yet (evidence suggests it might have been Ron Jones, who directed Martin's other two scripts for the series).