Though beautifully animated, this computer-generated short by the Blender Foundation verges on the uncanny valley.

The three actors were totally heroic coming in. This doesn’t happen very often . . . where there’s a tragedy like this, and very famous, very successful actors suddenly say, “Okay, we’ll do whatever it takes to help.” They came; they did the work; they allowed the movie to be finished; they didn’t take money–the money goes to Heath’s daughter. That’s extraordinary! And wonderful . . . and when you’re part of that, you think, “Ah, this is maybe why I went into the movies, in the beginning. I thought it would be full of wonderful people. And in our case, we’ve got a movie full of wonderful people, who did extraordinary things to help.