Sir Alec Guinness.
In the original saga it was Alec Guiness and in the newer movies it was Ewan Mcgregor.
Ewan McGregor played Obi Wan Kenobi in Revenge of the Sith.
Original trilogy is Lego Starwars 2 by itself. Complete saga is Lego Starwars 1 & 2 combined into one game.
Obi-Wan Kenobi (Ben Kenobi) dies in Star Wars Episode 4 (IV): A New Hope By Darth Vader (Anakin Skywalker)
wow really anyway obi-wan's name is the same but his full name is Obi-Wan Kenobi
Enemy's can not see you wich makes you able to attack them
if you look at only the original trilogy you would think it was the story of Luke, but the whole saga is most likely the story of the relationship between Anakin Skywalker and Obi-Wan Kenobi
In the original saga it was Alec Guiness and in the newer movies it was Ewan Mcgregor.
Sir Alex Guinness. Played Obiwan Kenobi
Ewan McGregor
Denis Lawson, who played Wedge Antilles in the original trilogy, is the uncle of Ewan McGregor, who played Obi-Wan Kenobi in the prequel trilogy
Ewan McGregor played Obi Wan Kenobi in Revenge of the Sith.
If you mean Obi-Wan Kenobi, then Ewan McGreggor.
Actor who played Ben Kenobi in first few Star Wars films
Sir Alec Guinness plays Obi-Wan Kenobi is Star Wars Episode IV: A New Hope (the original Star Wars movie)
Obi-Wan Kenobi, a Jedi Master in the Star Wars universe, originates from the planet Stewjon. This information is not shared in the original Star Wars movies but can be found in expanded universe sources like books and comics.
Ewan McGregor Scotland native Ewan McGregor portrayed Obi-Wan Kenobi in the first three episodes of "Star Wars".