Roberta Alexander was born on March 3, 1949 in Lynchburg, Virginia, USA. She was an actress, known for The Metropolitan Opera Presents (1977), Angels in America: The Opera (2004) and Hello I Must Be Going (2012). She was married to Siebe Riedstra and Edo de Waart. She died on October 14, 2025 in Ouderkerk aan de Amstel, Noord-Holland, Netherlands.