My Son, movie starring Claire Foy and James McAvoy. McAvoy doesn't get a script or anything.

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I am a sinner.
Sep 11, 2013
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He has to improv and investigate everything.


To play a man who doesn't know what's ahead of him, McAvoy will not be given a script or dialogue. Instead, he will improvise on set as each scene unfolds, as was the case in the original French film, with the rest of the cast and crew for the English language remake being aware of the scenes.