Raphael Kuhner Wuppermann, known professionally as Ralph Morgan, was a Hollywood stage and film character actor, and union activist. He was a brother of actor Frank Morgan as well as the father of actress Claudia Morgan.

Francis Phillip Wuppermann, known professionally as Frank Morgan, was an American character actor. He was best known for his appearances in films starting in the silent era in 1916, and then numerous sound films throughout the 1930s and 1940s, with a career spanning 35 years mostly as a contract player at Metro-Goldwyn-Mayer, with his most celebrated performance playing the title role of The Wizard in the MGM movie The Wizard of Oz (1939). He was also briefly billed early in his career as Frank Wupperman and Francis Morgan.