But while McDowell was busy murdering Kirk, his nephew Alexander Siddig was keeping the USS Enterprise's legacy alive as Dr. Bashir, one of the main characters in Star Trek: Deep Space Nine (which ran from 1993 to 1999, meaning that Siddig's involvement in the franchise actually predates his uncle's by a year).
Alexander Siddig was born Siddig El Tahir El Fadil El Siddig Abderrahman Mohammed Ahmed Abdel Karim El Mahdi in 1965 to a Sudanese father and a British mother, who happens to be Malcolm McDowell's sister. The young man shortened his name to "Alexander" after going into show business, perhaps inspired by his uncle's most famous role, or more likely just worried that his IMDb page would look ridiculous.
It's interesting to note that, while McDowell started out in respectable films and eventually ended up doing genre parts to pay the bills, Siddig has taken the opposite course: He started in a Star Trek spinoff and went on to act in films like Ridley Scott's Kingdom of Heaven, the critically acclaimed Syriana, and the award-wining Cairo Time. Meanwhile, his uncle recently appeared in this:
Suddenly we're not so worried about Siddig's IMDb page looking sillier.