Seven of Nine – Jeri Ryan
The one and only Borg, Seven of Nine, joined Star Trek: Voyager just as the character Kes was leaving. Ryan was nominated four times for a Saturn Award and won in 2001 for role portrayal as the Borg. Since then, she’s had a few film roles and quite a few television roles, most recently Arrow and Bosch.
Khan Noonien Singh – Ricardo Montalban
Ricardo Montalban was a Mexican actor whose career spanned seven decades, during which he performed in many kinds of genres, from comedy to crime to musicals and drama. His role in Star Trek was positively received all over and no, he didn’t wear prosthetic muscles to appear more muscular, he was just crazy fit and worked out excessively.