Close to the face. Sometimes they chop off a bit of the actor’s hairline, CD/Agent knows that its there. It is important that a headshot convey’s a feeling, the cropping of the headshot can help with this. Placing the eyes a bit higher in the photo can help to draw more attention to it, as the eyes are always drawn towards the upper portion of a picture first plus it gives them strength. Showing neck and shoulders will give the viewer an idea of what type of body you have. The clothing that you wear in a headshot will enforce your look along with your expression.