You're referring to the Tamil dubbed version of the movie "Call of the Wild"!
The Call of the Wild | Official Trailer | 20th Century Studios 20th Century Studios YouTube• Nov 20, 2019 the call of the wild tamil dubbed movie
One of the biggest concerns for any dubbed film is the quality of localization. Fortunately, benefits from a meticulous dubbing process. The voice for John Thornton is provided by a seasoned Tamil character artist, whose baritone matches Harrison Ford’s gruff yet gentle screen presence. You're referring to the Tamil dubbed version of
How to verify specific dubbed release details: the call of the wild tamil dubbed movie
For a deeper look into the story and its themes, you can watch this movie review in Tamil: