It may seem a bit juvenile, but sometimes there's just no better way to tell a story than through a narrator or some character that talks to the camera. This list actually turned out to be much more difficult than I anticipated, because of the vast number of excellent movies that use narration. By resolving to later revisit comedies in a category of their own, the task became marginally easier.
So here are the best uses of narration in a non-comedy:

