23rd Oct: It's time for the second TV Tropes Halloween Avatar Contest, theme: cute monsters! Details and voting here.
Sometimes, a director doesn't want famous actors and actresses in his movie. Maybe it's to avoid a Hey, It's That Guy! bias in the viewers, maybe they just want a challenge, or maybe they just want to help struggling actors and actresses in the brutal world of show biz. For whatever reason, a director will go out of their way to find obscure actors and actresses to put in their movie. Contrast Hey, It's That Voice! and All-Star Cast. Look at Ensemble Darkhorse for a definition of darkhorse.