20 Things You Didn’t Know About The Green Mile

While Duncan was a great wall of a man, he wasn’t seven foot tall, only six foot five - and both David Morse and James Cromwell were of a similar height.

To give the impression that Duncan’s John Coffey was even larger than real life, Darabont used subtle tricks of perspective and creative camera angles to make him seem to tower over everyone even more than he already did.

To keep up the illusion, Coffey’s bed and the electric chair they used for him at the climax were both built to a smaller scale, making it look as though he could barely squeeze his gargantuan frame into the furniture.

However, if anything, Duncan was actually too ripped and muscular for the role - in order to look more like a man would have in the thirties, he was forced to limit his work in the gym during the shoot.