The phrase "main actor" is correct and usable in written English.
It is typically used to describe the central or primary actor in a play, movie, or television show. For example, "The main actor in the movie was Tom Hanks."
"I had in front of me the main actor.
In the early tragedies, he was also the main actor.
As NATO's main actor, America would rather work through the alliance, or through individual countries.
And Mr. Abol Naga, the main actor, added, "There is an explosion of the underground arts, from underground to aboveground".
It's the first time stuttering has been the theme of a major feature film and the condition has been exhibited by the main actor.
The third main actor in "Una Noche," Dariel Arrechada, 24, remains in New York, and the film itself is to be shown again on Tuesday and Friday.
There will always be a ripple of disappointment, and some demands for refunds, when a main actor goes missing, but most theatregoers seem to be sympathetic.
Lear is a confrontational play, not just in what it demands of the main actor but of all the actors; it's really not a one-man show.
The main actor, old Time himself, lies prone, croaking: "Finis"; the backdrop is a gallows on a lonely plain, the scenery is collapsing in ruins.
Based on conversations that I had at the time, as French ambassador to Tehran, with high Iranian officials close to the matter, I firmly believe that Rouhani was the main actor in the process.
That straddle is particularly difficult for Mr. Obama, who's long wrestled with a dual role as appraising narrator, with those writerly skills, and main actor in the great play of events.
