Karl Malden is the star of the month on TCM, so his movies are showcased Wednesday nights in March. But tonight, it might as well be Marlon Brando night, because the leadoff films feature not only Malden, but the best of Brando. First is this 1951 version of the Tennessee Williams play (pictured), co-starring Vivian Leigh and capturing one of the most influential acting jobs of the 20th century. Then, at 10:15 p.m. ET, comes 1954’s On the Waterfront, another seminal film and performance, w