There are severe limitations on civil rights. In the international arena, Iran is turning into an isolated country, and the international community is becoming more hostile toward it.
An actor would be foolish to do something that might hold up the picture, or more importantly incapacitate him. If an actor does do a stunt he needs to make sure a stunt man stands by to see that it's done correctly.
Nothing makes it easier to resist temptation than a proper bringing-up, a sound set of values - and witnesses.