Who are the main characters in 'the open window full story'?

Since we don't have enough information about this 'Out the Open Window' story, it's impossible to determine the main characters. It could be a single protagonist who has some kind of experience related to the open window, or it could be multiple characters interacting in the area around the window.

The main characters are Framton Nuttel and Vera. Framton is the visitor who is rather gullible. Vera is the young girl who tells the spooky story about the open window.

The main characters are Vera and Mr. Nuttel.

The main characters are Framton Nuttel, who is the visitor, and Vera, the young girl who tells the spooky story. Also, there is Vera's aunt, though she is more of a secondary character.

The main characters are usually a young girl and a visiting gentleman. The girl is the one who tells the story, and the gentleman is the recipient of her rather strange and spooky tale.

In 'The Open Window', a young man named Framton Nuttel visits a rural household to soothe his nerves. He is entertained by a young girl, Vera. Vera tells him a false story about her aunt's 'tragedy' - that her husband and two brothers went hunting years ago and never returned. When the aunt enters, she expects the men to return any moment. As the men actually return, Framton, believing them to be ghosts, flees in horror.

The main characters are Framton Nuttel, Vera, and Vera's aunt.

The main characters are Vera, a young girl who is good at making up stories, Mr. Nuttel, a nervous visitor, and the aunt, who is Vera's aunt.

I'm sorry, I'm not sure which specific 'Out the Open Window' story you are referring to. There could be many works with this title. Can you give more context, like who the author is?

The main characters are Mort Rainey, a writer, and John Shooter, the man who accuses Mort of plagiarism.