Central protagonist who claims the Time Lord Presidency, secretly feigns cooperation with the Vardans to trace their homeworld, constructs a Demat Gun to defeat the Sontaran invasion, and ultimately loses his memory upon waking.
The primary antagonist whose invasion threatens all existence.
Guard commander recruited to counter the alien occupation.
A treacherous official who betrays the Doctor to gain power.
Political allies who collaborate to secure Gallifrey's future.
Companions bound by mutual trust and strategic protection.
Explore the full interactive character relationship map of Doctor Who: The Invasion of Time