Olivia Colman is an actor. Idris Elba is an actor. Benedict Cumberbatch is most definitely an actor, if not the most actor of all the actors. These people all undoubtedly return home at Christmas and say ‘Actor’ when asked what they do by long-unseen neighbours at their parents’ Christmas party.
Not I. When asked what I do, I say ‘Well I’m a freelance writer and, I guess, sometimes I do a bit of acting. I act sometimes. I might be an actor. I’m not sure’.