10/29/2013 03:15 pm ET Updated Dec 29, 2013

William Friedkin, The Exorcist Director, Says Film Is About the Mystery of Faith

Tonight on PBS, I sit down with award-winning director, producer and screenwriter William Friedkin. Can you believe it's been 40 years since the screams in The Exorcist? Friedkin reflects on the making of the film and the genre in Hollywood that followed.

In the following clip, Friedkin speaks candidly about how The Exorcist is a film about the mystery of faith.

For more of our conversation, be sure to tune in to "Tavis Smiley" tonight on PBS. Check out our website for your local TV listings: After the show, tweet me @TavisSmiley #Friedkin and let me know what you thought about our conversation.