Sylvester McCoy
The Doctor
Sophie Aldred
Ace
Anton Diffring
De Flores
Fiona Walker
Lady Peinforte
Gerard Murphy
Richard
Leslie French
Mathematician
Adventure
Drama
Science Fiction
Doctor Who: Silver Nemesis
The arrival of a mysterious comet heralds impending danger from enemies both old and new. As Ace helps the Doctor defend Earth, she is confronted with a dangerous question..."Doctor Who?"
