The "Metal Man"

When Kent manages to get the Iron Giant's location out of Hogarth, thus bringing in the army the next morning, Dean plays up his "scrappy beatnik" persona everyone in town thinks he has, and has the giant sitting in a lotus meditation pose to look like a giant art piece. The only person who doesn't fall for the ruse is Annie, Hogarth's mother, but even then she doesn't feel suspicious enough about it to directly call the act out.

Example of:
The Power of Acting