In The Fifth Element, the main character Korben Dallas talks on the phone with someone named Finger - an old military friend who also happens to be Korben's boss at the taxi company.
We never see the character, he only exists as a voice on the phone.
Whose voice is it?
This seems like it should have an easy answer on IMDB - but it doesn't. There's no "Finger" on the cast list.
Google returns a lot of speculation, but no confirmed answers. The most popular theory seems to be Vin Diesel, but the timing is questionable (he became famous much later).
It could very well be someone who isn't famous, or even an actor at all. But it's definitely someone. So... Who?