![](https://bentonpena.org/wp-content/uploads/2017/01/tjkhnpntr67nnhppdczl.jpg)
Some shots are just not important enough to bother the expensive actor with.for example, if all you need is a close-up of a body part that’s not the face, somebody standing around the set can step in. And sometimes that someone is the director.
Source: io9