According to the family professions, who is identified as the actor?

In the context of family professions, the term "actor" typically refers to someone whose profession involves performing in theater, film, or television. The reasoning that leads to identifying T as the actor rests on the understanding of the individual’s background, skills, and experience that align with acting. If T has a history of performances, training in the performing arts, or roles in productions, then it substantiates the identification as an actor.

This determination would rely on established criteria for what constitutes an actor, distinguishing them from other professions or roles within the family context. T's relevant experiences would contribute to this identification, making T the correct choice in this situation.