Reacher is 6'5", while Cruise is 4'5".
Like Monty Python's 'Scott of the Sahara', everyone else is going to have to walk around in trenches to accommodate him.[/QUOTE]
That shouldn't make much difference. Just look at John Rhys-Davies who played the dwarf Gimli in LOTR. He is actually 6' 1" tall, so if they can make him look like a dwarf then it isn't hard to stretch Tom Cruise.