Zbrigniev

Sergeant  was a Polish soldier seconded to the United Kingdom branch of UNIT.

began his service under Brigadier Alistair Gordon Lethbridge-Stewart and was still with UNIT years later, serving under Winifred Bambera. (TV: Battlefield)

Behind the scenes

 * His name was spelled "" in the episode credits, and in the novelisation. However, his name was actually pronounced as "Zbigniew" (a real Polish name) in the serial itself, indicating a disconnect between auctorial intent and production reality.