The “trend” of exploring the depth of secondary characters is one that is gaining much attention these days. I have nothing against it, in fact I embrace it as well. After all, one of the best ways of exploring a common theme is by revealing to the audience how characters relate to specific events.
In this short-series game adaptation (not made by Uwe Boll) of Half-Life 2, the Purchase Brothers reveal, through their $500 budget cinematography, how those secondary characters you met throughout City 17 have their own stories. Check out what happens after Mr. Freeman deals destruction to the Combine.