The film climaxes with Karras and the elderly Father Merrin (Max Von Sydow) performing the exorcism heard 'round the world. While a fine stand-alone drama, "The Exorcist" was too big a hit not to ...

The only force that can release her from the demon’s grasp and end her torture is a powerful exorcism, performed by Father Lankester Merrin in a ritual that almost kills them both. Exorcist: The ...