Sarah Elmaleh asked,
Is there anything that actors do to take perfectly usable takes to the next level?
Most top tier voice actors have mic technique: pulling back a bit for loud lines, moving in on quiet ones, turning off slightly for plosives and otherwise using the physics of how a mic functions to enrich the performance. This skill seems especially prevalent for voice actors with a radio announce background. It’s more than simply moving around. Veterans known when it is appropriate to make changes and how far they should move, often very little. Working the mic — addressing it — done well is typically subtle but sure adds value to the recording.
Listen to all of the questions and answers… Dialog Editing for Game Audio.