"The head of a major motion-picture studio, shortish, guesses that Redford is five-ten. An average height investment banker who has met Redford estimates five-nine—“with his cowboy boots on.” And to a towering West Coast television producer I spoke with, Redford looks to be five-seven or five-eight"

https://images.nymag.com/movies/features/49912/#:~:text=The%20head%20of%20a%20major,%2Dseven%20or%20five%2Deight.