Brock G. Peters (born George Fisher) achieved his greatest fame as Tom Robinson in the 1962 film To Kill a Mockingbird. He also had a special following among Star Trek fans for his turns as Admiral Cartwright in the motion pictures Star Trek IV: The Voyage Home (1986) and in Star Trek VI: The Undiscovered Country (1991). He also appeared on television as Joseph Sisko in many episodes of Star Trek: Deep Space Nine.