Robert Guillaume
Robert "Bob" Guillaume (November 30, 1927 – October 24, 2017) was an American stage and television actor, best 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 spanned more than 50 years he worked extensively on stage (including a Tony Award nomination), television (including winning two Emmy Awards), and film. Description above from the Wikipedia article Robert Guillaume, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Movies
Death Warrant
1990
as Hawkins
Lean On Me
1989
as Dr. Frank Napier
The Lion King 1½
2004
as Rafiki (voice)
Anatomy of Hell
2004
as Isaac Jaffe
Big Fish
2003
as Dr. Bennett (senior)
The Lion King
1994
as Rafiki (voice)
The Lion King II: Simba's Pride
1998
as Rafiki (voice)
Spy Hard
1996
as Agent Steve Bishop
Web Series
Benson
1979
as Benson DuBois
Timon and Pumbaa
1995
as Rafiki (voice)
Children of the Dust
1995
as Mossburger