No one—'present writer' included—thought the plan would work. [=no one, including me, thought the plan would work]
She is promoting her latest movie, which 'the present writer' has not yet seen. [=which I have not yet seen]
They identified the 'writer' of the mysterious letter.
(..) - Oh, yeah! - You're an American? - If you count Alabama as America, which I do. I miss the bathtub gin. What do you do? - Me? I'm a writer. - Who do you write? - Oh, right now I'm working on a novel. - Oh, yes? I'm Zelda, by the way. Oh, Scott! Scott! (..)2011 Midnight in Paris
(..) I'll get a cab. Taxi! - OK, but you should take a cab. - No, I'm not taking a cab. I'm walking. - No, you'll get lost. - OK, I'm gonna walk. Is he a good writer? I mean, have you read his prose? - Well, he won't let anybody. - He won't let? Oh look, I mean, if he wants, I'd be glad to (..)2011 Midnight in Paris