Alex: David, please be rational. Let's go and see Dr. Hirsch.
David: Yeah, be rational. Sure. I'm a fucking werewolf, for Christ's sake.
In Jacks first appearance to David in the hospital room, Jack uncovers the food on the tray and takes a piece of toast from another plate on the tray. The silver cover on the tray changes position throughout the scene in various shots. Sometimes the cover is resting partly on the tray and sometimes flat on the tray table surface.
Rick Baker originally wanted the werewolf to be a bipedal werewolf. John Landis refused and said that it had to be a four-legged hound from hell.