The Doctor returns to Gallifrey, claims his rights and is inaugurated President. It soon turns out that he has led a group of aliens called Vardans to the planet to eradicate them completely. After they are destroyed, the Sontarans take their opportunity and follow them in their invasion until they are destroyed by the Doctor.
Full Cast of Doctor Who: The Invasion of Time
Derek Deadman
as Stor
Derek Deadman is a British actor. He appeared as Rankin in two episodes of the RAF sitcom Get Some In! in 1975 and 19...
John Leeson
as K9 (voice)
John Leeson is a British actor who is known for voicing K-9 on the television series Doctor Who from 1977 to 1979, th...
- Released on March 11, 1978