Fellow “Star Trek” cast member BarBara Luna reported his death on Facebook and said that he died peacefully with his daughter, son and twin brother Doug Marshall at his side.
On “Star Trek,” he played Lt. Boma in “The Galileo Seven” episode in 1967. On the late 1960s sci-fi drama “Land of the Giants,” he had a recurring role as Dan Erickson.
Among his other TV guest roles were as one of Diahann Carroll’s boyfriends on groundbreaking series “Julia” and on series including “Bewitched,” “The Bionic Woman,” “The Incredible Hulk” and “Little House on the Prairie.”
Marshall said he was grateful to get the role at a time when there were so few opportunities for African-American actors. “There weren’t that many jobs, guest starring jobs, for African-Americans or any minorities, really