Robert Guillaume is an American stage and television actor, known for his role as Benson Du Bois 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. In a career that has spanned more than 50 years he has worked extensively on stage , television , and film. Robert Guillaume was born as Robert Peter Williams in St. Louis, Missouri. He studied at St. Louis University and Washington University and served in the United States Army before pursuing an acting career. On leaving the university, Robert joined the Karamu... Players in Cleveland and performed in musical comedies and opera. He toured the world in 1959 as a cast member of the Broadway musical Free and Easy. He made his Broadway debut in Kwamina in 1961.
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