Doctor Who: The Invasion (21/12/1968)

Production : BBC

Synopsis

The Doctor, Jamie and Zoe return to Earth and become embroiled in the schemes of Tobias Vaughn. They meet up with an old friend, Colonel (now Brigadier) Lethbridge-Stewart, and some old enemies, the Cybermen.

Patrick Troughton

Frazer Hines

Wendy Padbury

Kevin Stoney