What interested me most about Harsh Realm is the theology behind it - so along with your standard cheesy semi sci -fi action you get fascinating debates about the nature of reality, the concept of existence and the notion of an afterlife... Because in Harsh Realm, when you die, you immediately disappear - at least it cuts down on funeral bills...
Thomas Hobbes (the hero) is named after the philosopher Thomas Hobbes, who believed in predestination and that people are inherently selfish and power-hungry...
The chair Hobbes sits in to enter Harsh Realm has "siege" and "perilous" written on its arms. Of course this is a reference to the legend of King Arthur, and a similar chair that would turn anybody but the bravest person in England into ash if they sat in it...
Harsh Realm met the harsh financially driven reality at Fox TV when it was cancelled after only nine episodes...