He spoke in French a few times during the episode. He was great!
"People that excel in the arts understand that the journey is the reward...the result an added bonus. Every day I act or train is a blessing and a dream come true. If Broadway beckons so be it. I have a personal definition of success that is unshakable by a possibly unobtainable goal." -HamletWasBipolar
He played a schizophrenic character and one of his "friends" (which is what he calls his voices) speaks only in French, so he spoke in French to Charlie (that young girl) a lot.