Qui Gon Jin	he only appeared in phantom menace as Obi-Wan Kenobi's master.  He is a very smart and calm jedi master who was killed by the sith lord Darth Maul, but eventually learned how to become eternal in the force
Obi-Wan Kenobi	first appeared in phantom menace as jedi master Qui Gon Jin's padawan learner.  Though a little fast to react sometimes he, he was also very smart about his decisions.  In the end of phantom menace he becomes Anakin Skywalker's teacher
Anakin Skywalker	we first see him as a little slave boy, working in a repair shop.  He is very strong in the force and is very smart with extremely fast reflexes.  He eventually becomes a jedi master but is not allowd on the council.  Not too long after this event he goes to the dark side and becomes Senator Palpatines apprentice to save his love(Padme) from dying.
Yoda	One of the strogest foce users in the universe.  He is also one of the oldest and wisest of them all.  A short but calm minded jedi master
Mace Windu	another important figure on the jedi council, however he gets killed by Senator Palpatine.  The biggest difference about him is that he is the only jedi on the counsil with a purple lightsaber
Darth Maul	he was Senator Palpatine apprentice before both Count Duku and Anakin Skywalker. He is also one of the few foce users who use a double bladed lightsaber, and although he was fast and strong in the force his rage blinded him and Obi-Wan Kenobi killed himin the phantom menace
General Grevious	though he isnt seen much, he is a sith master who goes around hunting and killing jedi for their lightsabers. He is also the only force user to have four arms
Senator Palpatine	thought of as one of the most powerful sith lords ever. He blocked all of the jedi's force sense to find him out as the sith lord.  Although the jedi were suspicious of him for good reason, they still didn’t find out for a very very long time. He also made Anakin Skywalker into Darth Vader
Count Duku	another jedi turned to the dark side thanks to Palpatine,  helped create the droid army.  He ends up being killed by Anakin Skywalker
Padme	also known as Queen Amadala, she becomes Anakin's love and has two kids both are his, however she dies giving birth