

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?"
Director: Chris Clough

Sylvester McCoy
The Doctor

Sophie Aldred
Ace

Anton Diffring
De Flores
Fiona Walker
Lady Peinforte

Gerard Murphy
Richard

Leslie French
Mathematician

Dolores Gray
Mrs Remington

David Banks
Cyber Leader

Doctor Who: The Invasion
1968

Doctor Who: The War Games
1969

Doctor Who: The Seeds of Death
1969

Doctor Who: The Wheel in Space
1968

Doctor Who: The Happiness Patrol
1988

Veronica 2030
1999

Doctor Who: Remembrance of the Daleks
1988

Frequency
2000

Doctor Who: The Claws of Axos
1971

Doctor Who: The Space Pirates
1969

Doctor Who: The Krotons
1969

Doctor Who: The Mind of Evil
1971