EXCLUSIVE: Geena Davis Talks 'Exorcist' TV Reboot: 'You'll Be Scared'

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The '70s classic, The Exorcist, is back to scare a new generation, and ET caught up with the cast of the upcoming Fox series at Comic-Con.
Geena Davis, Ben Daniels and Alfonso Herrera head up the show based on William Blatty's 1971 novel about a priest who performs exorcisms on demonic spirits. The series follows two priests, Father Marcus Lang (Daniels) and Father Tomas Ortega (Herrera), who attempt to tackle one family's case of horrifying demonic possession through very different tactics.
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"It's really scary," Davis told ET. "It's a horror show, but with a lot of psychological stuff going on, too, but you'll be scared."
Fans got a taste of what the series has to offer through a demonstration at Comic-Con where exorcisms are reenacted throughout the day.
"Someone will become possessed, as they do, and a priest will be on hand to exorcise," Davis explained.
As one of the priests on the show, Daniels dished on what it takes to perform an exorcism.
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"[It takes] a lot of energy," he said. "It's a lot of shouting. I lost my voice."
The Exorcist premieres Sept. 23 on Fox.