Directed 6 actors to Oscar nominations: Clifton Webb (Best Actor, Sitting Pretty (1948)), Dan Dailey (Best Actor, When My Baby Smiles at Me (1948)), Susan Hayward (Best Actress, With a Song in My Heart (1952)), Thelma Ritter (Best Supporting Actress, With a Song in My Heart (1952)), Yul Brynner (Best Actor, The King and I (1956)), and Deborah Kerr (Best Actress, The King and I (1956)). Brynner won an Oscar for his performance in Lang's film.
Father of director Richard Lang.
Fought with the U.S. Army in France during World War I.