Did Walter Brennan actually have a limp when he walked?

No , Walter Brennan in his role as Grandpa Amos McCoy did not actually have a real-life limp . Walter Brennan who entered the world on July 25, 1894 , in Lynn, Mass. , walked with a limp not because of an accident but rather as a suggestion made by Jack Foley , the famous sound-effects man and his good friend . Foley suggested he put a rock in his shoe . Brennan frequently played the part of an older man in part because of the loss of many of his teeth , thinning hair and raspy voice . Brennan appeared in more than 230 films and television roles . A three-time Oscar winner , he is considered one of the finest character actors in Hollywood history . He died of emphysema in 1974 .