At the time she was asking the NPC if he was feeling all right, I was keeping my fingers crossed because if she DID cancel the charm it would ruin the whole atmosphere, what confused ppl as an IMM taking part in the conversation was the fact (probably) that the NPC despite beeing a Paladin had innate skeak and nobody saw it randomly wander into the room. (I had summoned the NPC five minutes before i entered the room released and then it accidentaly walked in)
Also, IC speaking if you see a charmed NPC and ask him/her if he is ok? well what do you think the 'owner' of the NPC will order it to say? "Oh please freee me!" ?
ICly talking to my comrades, I WANTED ppl to think that the paladin was speaking on its own, OOC I wanted PSs to think that 'someone' controled it.
Overall I did this to enhance the experience and I hope it did not violate any rules.