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Maria Elisabeth Riva (née Sieber; December 13, 1924 – October 29, 2025) was an American actress and memoirist. The daughter of actress Marlene Dietrich, she worked on television at CBS in the 1950s, during which she received numerous television acting roles and was twice Emmy-nominated. She published a memoir on her mother in 1992.
| Year | Title | Role |
| 1928 | Die glückliche Mutter | Maria Riva as a Child |
| 1934 | The Scarlet Empress | Sophia as a Child |
| 1936 | The King Steps Out | Girl Playing Violin |
| 1936 | The Garden of Allah | Young Girl Sewing |
| 1988 | Scrooged | Mrs. Rhinelander |
| Date | Title | Theatre | Notes |
| March 13, 1945 – June 9, 1945 | Foolish Notion | Al Hirschfeld Theatre, New York City | Played Flora & Elsie |
| March 4, 1954 – March 27, 1954 | The Burning Glass | Longacre Theatre, New York City | Played Mary Terriford |
| 1956 | Tea and Sympathy | Various | National tour |
| Year | Organization | Category | Work | Result | Ref. |
| 1952 | Primetime Emmy Awards | Best Actress | —N/a | Nominated | |
| 1953 | —N/a | Nominated |