It really depends but generally speaking just because of the mechanics of it voice-over is easier because there is no hair no makeup no wardrobe no fittings no line memorizing. You don't have to me woken up in Russia at 6 in the morning and go film a scene. It's just easier on the body the family life to do voice-overs.

Random Quote

There was a time when someone would get on a plane and request to move their seat just because the person sitting next to them was of a different ethnicity or religion or nationality. But I don't think my generation wants that. That's how it used to be.