|Semian Borisovitch Starzoff|
|First Appearance:||Mother Russia|
|Portrayed by:||Peter Purves|
Semian Borisovitch Starzoff was a local farmer, fisherman and hunter in Russia. He enlisted the help of Steven Taylor in his work and became attracted to a girl in the village, Glasha. He asked Steven to be Best Man, as he was the only person he could rely on.
When an alien spaceship crash landed nearby, Semian investigated it and discovered an alien. The alien, thinking he was threat killed him, though, and borrowed his body to use as a disguise. (Mother Russia)