practice 5
The background time of this movie was ‘Choseon’ dynasty of Korea; probably around 450 years ago of Korea. --> This movie took place during Korea's Choseon dynasty, around 450 years ago.
I don’t want to spoil the movie too much so will tell you the minimum information haha. --> I don't want to spoil too much of the movie, so I'll tell you only a little bit fo information about it.
There was a king of Choseon who always got threatened his life by enemies in palace. --> The Choseon king was under constant threat.
There were people who were trying to kill the king so finally the king could not be able to move; not died yet. --> There were people who tried to kill the king but they only managed to paralyze him. I don't understand the part of your sentence that I highlighted in green, so I just guessed at the meaning.
The king did not want to show his bad condition to their enemies, so he ordered to his loyalists to find a guy who has same face and voice like him. --> The king did not want to appear weak to his enemies so he ordered his loyalists to find a guy who looks and sounds like him.
The loyalists found a guy but it was all in secret to most of people; only 3~5 closest people around the king knew the truth… --> The loyalists secretly searched for a look-a-like. Only 3-5 of the king's closest advisers knew the truth.
This movie contains many comedy scenes; the movie is not just a serious story. --> The movie contains many funny moments and is not just a serious story.
The actor of this movie who performed the king was one of the most famous actors of Korea.
--> One of Korea's most famous actors played the role of the king.
He filmed American movies as well such as GI Joe1, 2, and Red2. --> He has appeared in American movies as well, such as GI Joe 1 & 2 and Red2.
I like him because his expression ability is so good always, but it was first time seeing his comedy acting via this movie. That made me more interesting. --> I like him because he is a good actor. This was my first time seeing him play a comedic role and that made me more interested in the movie.
Very good! What is the name of the movie? It is a good idea to start by introducing the movie so that your reader knows what you are talking about. Jumping right into discussing <em>this movie</em> is too vague.