Seven of Nine is a fictional character introduced in the American science fiction television series Star Trek: Voyager. Portrayed by Jeri Ryan, she is a former Borg drone who joins the crew of the Federation starship Voyager. Her full Borg designation was Seven of Nine, Tertiary Adjunct of Unimatrix Zero One. Jeri Lynn Ryan is an American actress known for her roles as powerful women in television and film. She's best known for her portrayal of Seven of Nine in Star Trek: Voyager and Star Trek: Picard, winning Saturn Awards for Best Supporting Actress in 2001 and 2024. She's also appeared in Boston Public, Dark Skies, Body of Proof, and Bosch. Ryan's acting career is marked by her talent, dedication, and versatility.