Logan Lerman is back as Percy Jackson in this second "Percy Jackson: Sea Of Monsters" HD trailer. The film also stars Nathan Fillion, Jake Abel, Alexandra Daddario and Stanley Tucci. In order to restore their dying safe haven, the son of Poseidon and his friends head into the Sea of Monsters to find the mythical Golden Fleece. Logan Lerman is back as Percy Jackson in this new "Percy Jackson: Sea Of Monsters" HD trailer. The film also stars Nathan Fillion, Jake Abel, Alexandra Daddario and Stanley Tucci.