I know there was a cheat by cgub for the secret characters but he left some of the new characters out... here are all the secret characters and how to get them. Perform the actions below to unlock additional characters:
| Unlockable: | How |
| Assassin (female selke) | Near the Desert Ruins on the World Map / Hard or Very Hard / Only in Multiplayer (requires lots of friends on your list) |
| Gerald (male clavat) | Near Forest on World Map / Hard or Very Hard / Need 1,000 kills. |
| Nun (female clavat) | In Library 1 / Complete Library 3 on Hard / Talk to her and complete the quest "Monster Busters 2" then return |
| Penguin (female lilty) | In front of Library on any difficulty / recruit in Very Hard Mode |
| Red mage (male selke) | In front of the Library / Any difficulty / Costs 5,000 Gil |
| Rid Dek (male lilty) | After 100 hours of gameplay, this character in front of the Adventurer's Guild. |
| Female yuke | Near the end of the game on Normal, Yuke hides somewhere on the world map (patch of brown). Cast a spell at her location and talk to her. |