24 - Lurking in the Corner
Episode Two. When Jack and Richard are leaving the stairwell and entering the corridor, watch Richards Gun as he enters the corridor. Just beyond Where Richard holds his gun to look for people in the corridor; you will see two people attempting to shove themselves into a corner to get out of the line of sight of the camera. You never see their faces, but you do see three arms and two different shirts.
DVD Season 1