<P> The first adaptation of London's story was a silent film made in 1923 . The 1935 version starring Clark Gable and Loretta Young expanded John Thornton's role and was the first "talkie" to feature the story . The 1972 movie The Call of the Wild, starring Charlton Heston as John Thornton, was filmed in Finland . The 1978 Snoopy TV special What a Nightmare, Charlie Brown! is another adaptation . </P> <P> A comic adaptation had been made in 1998 for Boys Life magazine . Due to cultural sensitivities, the Yeehat Indians are omitted, and John Thorton's killers are now white criminals, whom as before, are also killed by Buck . </P> <P> French Canadian film Director Christian Duguay has announced financing and distribution for a version of The Call of the Wild to be released in 2018 . Meanwhile, Chris Sanders is directing another film adaptation scheduled to release on December 25, 2019 . </P>

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