Using http://www.pictriev.com/fc.php to yield a facial similarity metric, faces 1 and 2 (numbered left to right) match each other at over 80%. However, the better of the two faces matches face 6 at a little over 60%. Faces 4 and 5 couldn't be used due to the angle. Though not definitive, this suggests it might not be the same person.
Using http://www.pictriev.com/fc.php to yield a facial similarity metric, faces 1 and 2 (numbered left to right) match each other at over 80%. However, the better of the two faces matches face 6 at a little over 60%. Faces 4 and 5 couldn't be used due to the angle. Though not definitive, this suggests it might not be the same person.