Yes, I do like Logan playing Percy, he's such a good actor!
And to be fair, Brandon played Grover really well too. I love how he's rather comical.
Alexandra (oh how I wish she was blond!), I think played Annabeth a little too serious for me. I mean, I get that Annabeth is the serious type but I didn't think she was that serious. It's to the point where she could probably play Athena...she should lighten up a bit.

I dunno about the gods. I love Athena and Hades. Hermes looked a little different from what I expected but he was pretty okay. Poseidon did look so much different from what I hoped he would look like as did Zeus. I really wanted to see the oddness of the court in Olympus with their different seats that represent who they are but there was no awesome different seats. They all looked the same in the movie. I guess they wanted Olympus to look really uniformed or something.