What Yemana is saying to Stevens (before the latter abruptly walks away) translates roughly to: "Wasn't it nice out today? Talking to you is a - hey! Jerk."
Michael Panaieff, who plays the Soviet Union / Russian official, was actually born in Russia (born in 1909 in what was then the Russian Empire).
Jack DeLeon's sixth of eight appearances on "Barney Miller"