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…
The Doctor
Ruby Sunday
Kate Lethbridge-Stewart
Rose Noble
Colonel Christofer Ibrahim
Morris Gibbons
Harriet Arbinger
The Vlinx
The Vlinx (voice)
Susan Triad
Bailey Sinclair
Melanie Bush
Carla Sunday
Mrs Flood
Cherry Sunday
Colonel Winston Chidozie
Sutekh (voice)
Corporal Alice Sullivan
Kind Woman
Amol Rajan (archive footage)
Roger ap Gwilliam (archive footage)
Louise Miller
The Doctor (archive footage) (uncredited)
Sarah Jane Smith (archive footage) (uncredited)
