Brock Peters
In the 1980s and 1990s, Peters voiced the role of Darth Vader in the serial radio drama adaptations of the original trilogy of ''Star Wars'' films, and played two recurring roles in the ''Star Trek'' franchise: Starfleet Admiral Cartwright in two of the original-cast feature films, and Joseph Sisko (father of station commander Benjamin Sisko) in ''Star Trek: Deep Space Nine''.
Peters notable film roles include ''Carmen Jones'' (1954), ''The Pawnbroker'' (1964), ''Soylent Green'' (1973) and ''Ghosts of Mississippi'' (1996). Provided by Wikipedia