From 1983-1985, Robert was nominated for Golden Globes for Best Performance by an Actor in a TV-Series - Comedy/Musical for his show Benson.
In 2000, Robert was nominated for a SAG Award for Outstanding Performance by an Ensemble in a Comedy Series for Sports Night.
He won a Grammy award for Benson.
Robert has a star on the Hollywood Walk of Fame.
Robert won an Emmy award in 1979 for "SOAP" and another in 1985 for "Benson."
Robert went to St. Joseph High School in St. Louis, Missouri.
In the 1980s Robert starred in commercials for Ocean Spray, promoting its line of grapefruit juice.
Robert's last name, Guillaume, is the french translation of Williams.
His biography is "Who's Who in Comedy" by Ronald L. Smith.
He suffered a mild stroke on the set of his TV series "Sports Night".
His nickname is "Benson".
He's 5' 10".
He had one son, which died of AIDS in 1990 at age of 32 and a daughter Rachel born in 1990.
Guillaume has his own star on the St. Louis Walk of Fame.
He voiced the characters "Dr. Eli Vance" in the video game Half-Life 2 and "Rafiki" in Kingdom Hearts II.
Guillaume has appeared in the following films: "Seems Like Old Times" (1980), "Lean on Me" (1989), "First Kid" (1996), "The Land Before Time VIII: The Big Freeze" (2001), "Big Fish" (2003) and "The Lion King 1½" (2004).
His stage appearances included "Golden Boy", "Tambourines to Glory", "Guys and Dolls", "Jacques Brel is Alive and Well and Living in Paris", "Phantom of the Opera", and "Purlie Victorious", for which he won a Tony Award.
He made his Broadway debut in "Kwamina" in 1961.
He studied at St. Louis University and Washington University and served in the United States Army.
He dated actress Fay Hauser during the late 1970s and early 1980s and was engaged to her also.