The first professional training I received of any kind was when I was 14 years old and we were in Kansas City, Missouri. I attended the Kansas City Art Institute for one summer. ↗
But above that, most mature adults can hold their attention on something for 45 minutes, whether they like it or not. But above that requires training. ↗
Things are moving pretty quick, and of course, the whole focus is training and getting ready and being able to prepare to be on the world's stage and hopefully do the United States proud. ↗
The deaf community is in a favorable position because they have a national theatre and training groups of their own to get them started. Deaf actors have often acquired very valuable skills and experience before they get their break. ↗