Marlene Dietrich was a German actress and singer (1901-1992). She started out in vaudeville and theater, then moved to silent films and her transition to sound coincided with the time she moved to the US (1930); she became a U.S. citizen in 1939. An anti-Nazi, Dietrich performed for the American troops on the front lines of the European theater of World War II. Some Germans label her a traitor even today for having abandoned her country, which may be the best endorsement someone could receive.As an actress, she is known for her sultry, somewhat stoic style of acting. She also famously crossdressed in many of her roles, usually cabaret scenes. She's most famous for her many collaborations with director Josef von Sternberg.Dietrich was very secretive of her private life, although she was openly bisexual. Her list of conquests is truly staggeringnote , although it should be taken with a grain of salt, especially because a lot of those claims come from her rather jaded daughter, Maria Riva, who also published poetry written by her.As usual, you can find the basics at The Other Wiki.
Marlene Dietrich's roles provide examples of the following tropes: