Burt Reynolds broke his coccyx while going down the rapids when the canoe capsized. Originally, a cloth dummy was used, but it looked too much like a dummy going over a waterfall. While Reynolds recovered, he asked, "How did it look?" Boorman replied, "Like a dummy going over a waterfall."
The rape scene was filmed in one take, largely because Ned Beatty didn't want to film it repeatedly.
In the year after the film's release, more than 30 people drowned in the Chattooga River while trying to replicate the characters' adventures.
To minimize costs, the production wasn't insured, and the actors did their own stunts. Jon Voight actually climbed the cliff.
According to Turner Classic Movies, John Boorman wanted Lee Marvin and Marlon Brando to play Ed and Lewis, respectively. After reading the script, Marvin said he and Brando were too old, and suggested that Boorman use younger actors instead. Boorman agreed, and cast Jon Voight and Burt Reynolds.
Donald Sutherland turned down the role of Ed because he objected to the violence in the script. He later said he regretted that decision.
Billy Redden didn't know how to play banjo. To simulate realistic chord playing during "Duelling Banjos," another boy, a skilled banjo player, played the chords with his arm reaching around Redden's side while Redden picked. Musicians Eric Weissberg and Steve Mandel play on the soundtrack.
The rape scene as originally scripted consisted mainly of swearing. The "squeal like a pig" phrase was an attempt to "clean up" the scene for TV viewing. John Boorman liked the "cleaner" version, and used it in the film.
Billy Redden, the boy with the banjo, liked Ronny Cox and hated Ned Beatty. At the end of the dueling banjos scene, the script called for Billy to harden his expression towards Cox's character, but Billy couldn't pretend to hate Cox. To solve the problem, they got Beatty to step towards Billy at the close of the shot. As Beatty approached, Billy hardened his expression and looked away.
To save costs and add to the realism, local residents were cast in the roles of the hill people.
John Boorman wanted Vilmos Zsigmond as director of photography because he'd famously filmed the 1956 Soviet invasion of Hungary. Boorman reckoned that anyone who had filmed under the threat of Russian tanks and guns would be ideally suited to an intensive and grueling shoot, which Deliverance (1972) promised to be.
Much of the film had to have its color desaturated because the river looked too pretty.
According to director John Boorman, the gas station attendant's jig during "Dueling Banjos" was unscripted and spontaneous.
Burt Reynolds breakthrough role, transforming him from an actor to a film superstar.
Jack Nicholson had agreed to play Ed as long as Marlon Brando played Lewis. However, the actors' combined fees added up to more than $1 million, half the movie's budget, forcing director John Boorman to cast cheaper actors.
Even though his character was very clumsy and uncoordinated, Ned Beatty was the only one of the four main actors with any experience in a canoe prior to shooting.
When John Boorman was looking for an actor to play the toothless murderous hillbilly, Burt Reynolds suggested Herbert 'Cowboy' Coward, who had no front teeth, was illiterate, and stuttered. Reynolds had worked with Coward in a Wild West show in Maggie Valley, NC.
"Dueling Banjos" was the first scene shot. The rest of the movie was almost entirely shot in sequence.
"Dueling Banjos", which won a Grammy for Best Original Song, is a bluegrass version of "Yankee Doodle".
When John Boorman first tapped Jon Voight to appear in the film, the actor was at a low point. His previous film, The All-American Boy (1973), was deemed an unsalvageable mess. Convinced his career was over, Voight credited Boorman with saving his life, then spending the next few months trying to kill him with extreme stunts during filming.
Ned Beatty's film debut. His voice laughing is the first human sound on the soundtrack.
The cliff climbing scene was shot during the day, and underexposed with a bluish tint added in post-production. "Day for night" shooting was common until the late 1970s because of slow film stocks and anamorphic lenses that didn't let in as much light as spherical lenses, requiring a lot of lights.
Bill McKinney became so closely identified with his role as the Mountain Man that he adopted www.squeallikeapig.com as the name of his official website.
Gene Hackman was offered the role of Ed. He wanted to play Lewis, but was turned down.
Author James Dickey would only address the actors by calling them by their character names.
John Boorman's gold record for the "Dueling Banjos" hit single was later stolen from his home by Dublin gangster Martin Cahill. Boorman later depicted the crime in his 1998 film about Cahill, The General (1998).
When the Sundance Film Festival first kicked off in Salt Lake City, in August 1978, this was one of the first selections screened.
John Boorman had no real intention of using a second unit. One side of the river fell belonged to the New York unit, the other belonged to the Chicago unit.
The movie was shot primarily on the Chattooga River, which divides South Carolina and Georgia. Additional scenes were shot on the Tallulah Gorge in Georgia, Salem, South Carolina, and Sylva, North Carolina. Shots of the town which did not call for the actors to be present were shot in Monaca, Pennsylvania.
During filming, rocks destroyed five wooden canoes and dented the aluminum one severely.
Emory University Chemistry professor Claude Terry consulted on the canoe trip and navigating the Chatooga and other rivers. After the movie's release, Claude founded Southeastern Expeditions, which provided raft trips with trained guides on whitewater rivers. Rafting the Chatooga, the Ocoee River in Tennessee, and other whitewater rivers has become very popular, especially in the summer. Claude is now retired.
The aluminum canoe has the blue and white logo of Grumman, the aircraft company that built the F-14 Tomcat and the Apollo Lunar Module.
While filming the white water canoeing scene, Ned Beatty was thrown overboard and was sucked under by a whirlpool. A production assistant dove in to save him, but he didn't surface for thirty seconds. John Boorman asked Beatty "How did you feel?", and Beatty responded "I thought I was going to drown, and the first thought was, how will John finish the film without me? And my second thought was, I bet the bastard will find a way!"
Don Wayne Reno and Arthur Smith are credited with the first recording of "Dueling Banjos" (also known as "Feudin' Banjos" and "The Battle Of The Banjos"). Prior to "Deliverance" both parts were played with banjos, at the same speed all the way through. Almost all modern bluegrass bands play the "Deliverance" version in the key of G. In the movie both the guitarist and banjo players play it in the key of A.
Bill McKinney first auditioned for the role of Lewis Medlock before being cast as the Mountain Man.
Included among the "1001 Movies You Must See Before You Die", edited by Steven Schneider.
During the tune-up to the Dueling Banjos scene, the Ford Station Wagon pictured has an insignia on the left front side of the fender, just in front of the driver-side door. It says '390.' This refers to the size of the engine, which in those days was measured in cubic inches. Although those old vehicles weighed two tons they had very large, powerful V-8 engines in them, and were capable of speeds up to, and sometimes exceeding, 120 mph.
During the filming of the canoe scene, author James Dickey showed up inebriated and got into a bitter argument with John Boorman, who had rewritten Dickey's script. They had a brief fistfight in which Boorman's nose was broken and four of his teeth shattered. Dickey was thrown off the set, but no charges were filed against him. The two reconciled and became good friends, and Boorman gave Dickey a cameo role as the sheriff at the end of the film.
The inspiration for the Cahulawassee River was the Coosawattee River, which was dammed in the 1970s and contained several dangerous whitewater rapids before being flooded by Carters Lake.
Regarding the courage of the four main actors in the movie doing their own stunts without insurance protection, James Dickey was quoted as saying all of them "had more guts than a burglar". In a nod to their stunt-performing audacity, early in the movie Lewis says, "Insurance? I've never been insured in my life. I don't believe in insurance. There's no risk."
No credit was given for the film score. The film has a number of sparse, brooding passages of music scattered throughout, including several played on a synthesizer. Some prints of the movie omit much of this extra music.
The canoes used in the film are displayed at the Burt Reynolds Museum, located at 100 North U.S. Highway 1, in Jupiter, Florida. One of the canoes used (and signed by Ronny Cox) is on display in the Tallulah Falls Railroad Museum, Dillard, Georgia.
Following the film, tourism increased to Rabun County by the tens of thousands. By 2012, tourism was the largest source of revenue in the county. Jon Voight's stunt double for this film, Claude Terry, later purchased equipment used in the movie from Warner Brothers. He founded what is now the oldest whitewater rafting adventure company on the Chattooga River, Southeastern Expeditions. By 2012 rafting had developed as a $20 million industry in the region.
The movie doesn't explain the title, but the book states that what the city boys are trying to find in the backwoods is deliverance from the stress of modern life.
Bobby is the only one of the four leads whose occupation is revealed (an insurance salesman). The book reveals that Ed is a graphic designer, Lewis is a landlord and Drew is a soft drink executive.
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