Filmography links and data courtesy of IMDb.
I do enjoy a bit of Greek mythology though not all of the films I've seen on the subject have been that great. This film is one that I didn't expect much of but I was pleasantly surprised at what I saw. Firstly, the acting in this film was superior to other similar films. Sam Worthington was a very believable Perseus and the fact that he is pretty damn good looking is an added bonus for female viewers! Seriously though Liam Neeson was good as the conflicted Zeus who feels guilty over the cruelty unleashed against his people, and who wants to protect his angry son. The excellent Ralph Fiennes is perfect in the part of Hades, giving him a bit of complexity in his character so you don't just see him as a bad guy. The other soldiers on the quest have good personalities and are not just there to make up the numbers. Other notable performances were Gemma Arterton and Alexa Davalos who did a nice portrayal of Andromeda.
The film also has a great cast of mythology creatures to enjoy which is the main reason to watch the film: Pegasus, evil witches, giant scorpions, Medusa, the Kracken and the Djinn. Medusa was pretty scary as monsters go and the sequence where they are trying to capture her without looking into her eyes or being killed by her was quite exciting and tension filled, one of my favourite parts of the film. The Djinn were interesting characters who tend to be vastly underused in films and books in my humble opinion, so I enjoyed seeing them in the film. The giant scorpion battle scenes were nicely done as well. The action is constant throughout and you don't have the longwinded boring bits that can often spoil these mythology films. The romance is more implied than anything else and only serves as a side story that never intrudes on the main purpose of the quest, which was good. There were also a few good moments of humour to enjoy.
Overall this was a good all action, monster rich mythology romp which I very much enjoyed. It should appeal to those who liked the original, those who like Jason and the Argonauts and anyone who likes a good action adventure film.