Peter Guillam (Michael Jayston) Is Bullied at the "Circus" by Percy Alleline (Michael Aldridge)

...And 10 years before, in "The Power Game", Lincoln Dowling (Michael Jayston) was recruited by the same Michael Aldridge, who was playing Prof. Mobbs. :)

Clip from "Tinker Tailor Soldier Spy" (1979), with great acting by Michael Jayston, Michael Aldridge, Ian Richardson, Bernard Hepton, Terence Rigby.