The phrase "authentic character" is correct and usable in written English.
It can be used to describe someone or something that is genuine, true to its nature, or representative of a particular style or culture.
Example: "The film's authentic character captured the essence of the historical period it portrayed."
Alternatives: "genuine persona" or "true essence".
But his praise of the "restored" Upper West Side ignores the destruction of the area's highly valued authentic character.
But its patronizing view of its heroine doesn't keep Ms. McDonald from building a fully authentic character.
Joey Pigza is an authentic character, not some cartoon designed to sway support for what may or may not be a psychiatric fad.
The actress there, played by Gena Rowlands, has authentic character, authentic strength, authentic conflict, and authentic fury, and the work that she does in — and on — the play within the film, the play that's causing her so much emotional trouble, is itself a major work of art.
On a general level, the results indicate that well-accepted innovations in traditional cheese are those that reinforce the traditional and authentic character of the product.
More particularly, given the authentic character of the phenomenon, it is an event in which Dasein projects onto a for-the-sake-of-itself.
Its ostensibly authentic characters are constructed from the traits that fit the needs of the plot.
To create authentic characters, actors have to strip away layers of themselves so audiences can empathize with the characters.
Critics have praised the author's stark, unadorned style, his psychological penetration, his narrative skill, and his ability to create authentic characters and realistic dialogue.
They needed space in which to get away from people and towns and farms and highways, and other people needed space to get away from them since authentic characters are not the easiest persons to live with.
With no other authentic characters inhabiting the novel, what's left is an intricate framing device surrounding a somewhat thin parable (Moral: Never volunteer for a research project offered to you by a robot).
