The Doctor and Ruby Sunday have faced the Bogeyman, fought against Maestro, and survived the battlefield of Kastarion 3. In the epic two-part season finale, The Doctor and Ruby arrive at UNIT headquarters on a top-secret mission and a long-buried secret awaits…
Ncuti Gatwa
The Doctor
Millie Gibson
Ruby Sunday
Jemma Redgrave
Kate Lethbridge-Stewart
Yasmin Finney
Rose Noble
Alexander Devrient
Colonel Christofer Ibrahim
Lenny Rush
Morris Gibbons
Genesis Lynea
Harriet Arbinger
Aidan Cook
The Vlinx
