Cyberman

Nitcentral's Bulletin Brash Reflections: Doctor Who: Audios: Cyberman
'You should resign yourself to the perfect future for mankind, without the corruption of disease or emotion.'

Organics (humans) accept a generous offer of Tinny (Cyberman) help against those naughty Synths (androids) in the Orion system. This turns out not to be an entirely good idea.