Robert Guillaume

Robert Guillaume (born Robert Peter Williams; November 30, 1927 – October 24, 2017) was an American actor. He is known for his role as Benson on the TV-series "Soap" and the spin-off "Benson", voicing the mandrill Rafiki in "The Lion King" and as Isaac Jaffe on "Sports Night".
Guillaume died on October 24, 2017 at his home in Los Angeles, California from prostate cancer at the age of 89.