Movies with semi unrecognizable actors and/or actors acting against type

For example:

Tom cruise in tropic thunder

And as a villain in collateral

Eddie Murphy in the nutty professor

And also in Bowfinger

Cameron Diaz in being john malkovitch

Robin Williams in 1 hour photo

Robert Downey Jr in tropic thunder

Chevy Chase in fetch

Sean Penn in carlitos way

Tom thanks, Halle berry in cloud atlas

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