| Age | 79 |
| Birthday | 28 January, 1945 |
| Birthplace | Basel, Switzerland |
| Height | 5' 8" (173 cm) |
| Eye Color | Brown - Light |
| Hair Color | Brown - Dark |
| Zodiac Sign | Aquarius |
| Nationality | Swiss |
| Occupation | Actress |
| Claim to Fame | her Golden Globe-nominated role as Elsa Opel in the 1976 thriller film Marathon Man |
Marthe Keller (born 28 January 1945) is a Swiss actress and opera director. She is perhaps best known for her role in the film Marathon Man (1976), for which she was nominated for a Golden Globe Award.
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