So we heard a lot of news of the cast for The Sea of Monsters film and well, the first movie sucked compared to the books (it was a good movie but not very related to the series). A lot of new cast members will appear in The Sea of Monsters...well I think.

So far we got these known cast members:

Returning Cast

1. Percy Jackson played by Logan Leerman
2. Annabeth Chase played by Alexandra Daddario
3. Grover Underwood played by Brandon T. Jackson
4. Luke Castellan played by Jake Abel

New Cast

1. Hermes played by Nathan Fillion
2. Chiron played by Anthony Head
3. Tyson played by Douglas Smith
4. Clarisse La Rue by Leven Rambin
5. Tyson by Douglas Smith
6. Dionysus by Stanley Lucci
7. Thalia Grace by Paloma Kwiatkowski