Ooops!! I'm wrong about Sabertooth! Sabertooth was played by Tyler Mane (he played Michael Myers in Rob Zombie's Halloween). Though he would be a good choice!!
http://www.imdb.com/media/rm1250859008/nm0541932
The guy in Kingdom of Heaven is Jouko Ahola.
http://www.imdb.com/media/rm4059404544/nm0014261
He definitely looks the part but I'm not sure if he can really deliver a line well enough to be a leading man.