Here's a few...
Jake Sulley
Neytiri
Grace
the corporate buisness greedy guy (whose name is Parker)
the security officer guy
the girl who gets blown up in a helicopter (whose name is Trudy)
the guy whose avatar dies (his name is Norm and his Avatar doesn't die, he is just wounded and later healed)
Tsu' tey
the blue people
Jack Dawson and Rose Dawson from 1997's Titanic, 2nd only to Avatar in total amount of money made.
9 main characters
The main characters in the movie Land of the Lost were Dr. Rick Marshall, Holly Cantrell, Will Stanton, and Cha-ka.
Well.... theres a lot of main characters in the movie unknown ill give a couple Beshoy, Jason, Modanna, and the mighty Marcos.
The character known as Colonel Quaritch played the lead antagonist in the movie Avatar.
Jake Sully and Natiri
the blue people
yes she has made a song called i see you and Leona plays neytiri in avatar one of the main characters
No it is a fantasy + fiction movie about imaginary characters in a planet in space.
Jack Dawson and Rose Dawson from 1997's Titanic, 2nd only to Avatar in total amount of money made.
The main male heroes are: Aang ( the avatar) Sokka Appa Zuko ( eventually) Roku Jet
The characters that appear the most in a movie. If you are talking about a specific movie please give a title
9 main characters
Your question is somewhat difficult to interpret, but perhaps what you mean to ask is, why do some movie characters work better as main characters than they would as minor characters. The answer would be that if the more interesting characters are the main characters, then the movie itself will be more interesting.
"Jaws" is a movie about a shark that came out in 1975. The three main characters in this movie are, Chief Brody, Matt Hooper, and Quint.
The main characters in the movie Land of the Lost were Dr. Rick Marshall, Holly Cantrell, Will Stanton, and Cha-ka.