Balinkoff (left) and Dubrovnik.

KAOS agent, henchman to Siegfried.

Balinkoff and a fellow agent, Dubrovnik, are summarily executed by Siegfried for "stupidity" after failing to prevent Maxwell Smart from escaping a supposedly escape-proof dungeon.

[Uncredited, Episode #63: "The Spy Who Met Himself"].

Reality Check: Balinkoff shares his name with a mad scientist (portrayed by multiple Get Smart guest star Vito Scotti) who twice visits Gilligan's Island.