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The viewed print was missing approximately thirteen minutes. According to Filmfacts, the missing footage included sequences in which "Tim Ochopee" initially befriends Stanley the rattlesnake by rescuing him from a predatory bird, and a scene in which Tim learns that "Dr. Everett" has betrayed him by selling snakes to "Richard Thomkins." In a March 1972 Hollywood Reporter interview, producer-director-writer William Gref relayed that he wrote the film's story after having a nightmare about snakes. After selling the idea to distributors Crown International, Gref then formed the Stanley Corporation with executive producer John H. Burrows to produce the picture.
Although a March 1972 Daily Variety news item reported that William Loos would write the film's score, only Post Production Associates is credited onscreen with the music score. The extent of Loos's contribution to the completed picture has not been determined. As noted in the onscreen credits, the film was shot entirely on location in the Everglades and at Ivan Tors Studios in Miami, FL. Another onscreen credit adds that animal sequences were filmed at Homosassa Springs, FL.
In a July 1972 letter to Los Angeles Times, Harvey M. Fischer, the assistant curator of reptiles at the Los Angeles Zoo, decried the film's apparent ill treatment of live snakes and its misleading representation of them as pets. In the March 1972 Hollywood Reporter article, Gref stated that fifteen live water moccasins, "with their mouths taped shut," were used in the sequence in which Tim fills Thomkins' swimming pool with snakes.