Harrison Ford (Han Solo in the Star Wars trilogy) says "I knocked out all my teeth on an old Gunsmoke."
Click on Ford for more Information
Ford also tore the ligament of his right knee making The Fugitive. "I did the same thing to my left knee on my first Indiana Jones movie. I herniated two discs in my back and had to be operated on in the middle of the second Indiana Jones movie" he said. Also, "I separated my shoulder on another TV show".