>Joe don't know. Even if he caught one of the others in a lie, > his first thought wouldn't be, "Hey these guys are actors."
He might even go with 'Hey, these guys are playing the game.' Matt seems to have a fairly strong viewing background in reality shows: he at least knows enough to recognize a parody of Susan's speech from S1. (The actress giving said speech, however...) And as a long-time viewer, first-time scam victim, he might know that there's certain topics where lies are almost expected. The profession of the contestants may be the prime area: you don't talk about your job if you make so much money that the lesser-earning contestants may decide you have no right to win, and you don't reveal anything that people may feel is offensive -- right, S5's Brian 'My other-other car is being custom built so it'll have a miniature softcore studio in the back'?
Some slipups can be explained away with a quick rewrite to the character's backstory: that's no veteran who doesn't know anything about the wars he fought in, that's a draft dodger overcompensating late in life. And imagine Matt's face when he
finds that one out...
Personally, I don't think Matt knows. I do think the producers will have to work hard to keep him distracted, because he just might start to assemble the puzzle if they insist on handing him pieces.
(The script modifications should be written on rice paper with seaweed ink, and prominently marked 'consume after reading'. Come to think of it, script meetings must have been a nightmare to work on the fly. The mansion's only so large, no player/actor is technically allowed to leave the grounds unless they win a trip out, and if Matt decides to look for the actress you're conferencing with and can't find her...)