TZ wasn't working with a big ensemble cast, though. Some of their best episodes only had one or two characters.
Consider the countless half-hour sitcoms we have had on television for decades. Some of those had decent sized casts and still managed to tell decent complete stories within their timeframe. And some of them (like
M*A*S*H and
All In The Family and others) also did drama.
A large ensemble also doesn't demand every character must have a speaking part every time or every character needs to be utilized for every story.
Looking at these
guidelines there are only two I have issue with.
Runtimes. While interesting vignettes can be done in 15 minues (or less) I balk trying to fit the kinds of stories I'd like to see within that time frame. If I were intent on producing a fanfilm, and in a position to do so, I would aim for stories I could tell in 30 minutes. My reasoning is if all other criteria are met then I seriously doubt my story's 30 minute runtime would concern them.
If I wanted to do something like
STC, NV, Starship Exeter, Starship Farragut or of that kind then it could still be done within a 30 minute time frame.
Which leads to my next issue: are consecutive stories with recurring characters actually prohibited even if every story is separate and self-contained? No arc based storytelling. This needs to be clarified. But again if the remaining criteria are met then recurring characters likely won't raise a red flag.
A final issue is actually an easy one to manage simply by adhering to it strictly: no Trek alumni can participate in fanfilms. You don't really need performers from official Trek productions to tell your story. You also don't really need any if those who have worked behind-the-scenes production. I can understand CBS/P being concerned with familiar main cast performers whose participation could conceivably be misconstrued as some sort of official endorsement of a fanfilm, but minor guest or background extra performers as well as some of those from behind-the-scenes could perhaps be given a pass. Again, it isn't necessary, but perhaps worth further discussion.
Setting that issue aside there is nothing in the guidelines that prohibits people from non Trek productions from participating. People like Gigi Edgely, Lou Ferrigno, Erin Gray and the like could still participate since they have never had anything to do with Trek.