I haven't made any movies, but I've used UE4 to make some personal cartoon projects of mine. I think if you really want to, you can make an animated film in a game engine. I never felt limited in terms of kind of content you can do in-game. Actually, it was quite the opposite. I love the freedom of being able to quickly…
I know of at least one case:Boxcar Children. Looks like it was made with Source Engine or something and it looks...like a lot to be desired. I heard that it cost about $7 mil and wonder if most of the budget went for the voice talent. The movie was outsourced to some Korean studio (AFAIK) and I can't shake off the feeling…
main advantage is faster rendering and quicker iterations. We did some research pre-UE4 becaue of that reason. Back then it didn't have the flexibility we wanted, so we shelved the plan. Another concern was that workflows, rigs, etc. would have to be changed and the film artists weren't too keen on that. But there's…
For short films or series I think engines or machinima style of filmmaking is great, like for episodic series where heavy re-use of background or sets is not a big deal (e.g. Big Bang Theory). For non-interactive feature length film I think it's still cost effective and more efficient to do it with the usual cg tools…