Sam worthington
Sam Worthington is the actor who plays Perseus in the 2010 version. Harry Hamlin played the role of Perseus in the 1981 version.
In the series his real name is actually Perseus Jackson, but if you are talking about the movie the actor that plays Percy is Logan Lerman.
Chloe Morentz
Actor Jackson Rathbone plays the character 'Jasper Hale' in the Twilight movie saga
In the Eragon movie, Ed Speleers, a British actor, plays the character of Eragon.
It depends on the actor who plays that character, e.g; heath ledger as joker
The real actor of that character in the movie is Efren Ramirez. Look at the movie's credits.
His first name is Perseus (like in the myth of Perseus, Percy is short for Perseus) and his last name is Jackson (since his mother is Sally Jackson and Poseidon doesn't have a last name). His middle name has not been mentioned. Perseus Jackson
Sam Worthington , as Perseus .
actor?
Orlando Bloom portrays the character Paris in the movie Troy.
Jonny Depp who plays the character of the tourist.