They're Bill Haydons, with an O. (I'm the one on the left)

Thanks, Bill Hayden! I’m glad I’m not the only one who didn’t know who these people were. They definitely aren’t you. 😂

They're... They're characters from Tinker Tailor Soldier Spy. On the left, a brilliant portrayal by Ian Richardson, and on the right... Least said soonest mended.

Ah. Good thing or I’d have to call Jim Prideaux.

Then I'd really get it in the neck.