What has happened to the other captives hidden? Has the show said where or what they are doing now that the others are trying to escape and the island is blowing up? I haven't been watching so if someone could please fill me in......

Yes, what happened to Cassie? Did she get on the first raft? She hasn't been mentioned in a long time...

yes, Cassie, for one, but I meant the ones that Tony said were hidden on the island. Obviously Colin was one of them, but have they said anything about "more" of them and where they are now?

Well Justin was only going to be a few days and since people now know he isn't dead he's not needed to vindicate Nicole. So I guess Colin is one of the islanders who doesn't make it back to Salem. But will Bart take Tony's body to the sub they have somewhere on the island as I expect to see Tony back in Salem around the May sweeps.