- Made his stage debut at age 7.
- Studied at Sidney Poitier's acting workshop in the late '50s.
- Breakthrough roles were Gale Sayers in the classic 1971 TV-movie Brian's Song and Louis McKay in Lady Sings the Blues (1972), opposite Diana Ross.
- Best known for his work as Lando Calrissian in The Empire Strikes Back (1980) and Return of the Jedi (1983). He was the first African-American to appear in the Star Wars films.
- Made a cameo as himself in a 2007 episode of Lost, portraying an actor on the show-within-a-show Exposé.
- Trained as a painter and has had several exhibitions of his work.
- 1972, Emmy — Outstanding Single Performance by an Actor in a Leading Role: Nominee
- 2001, Independent Spirit Awards — Best Supporting Male: Nominee
- Hanako Williams — Daughter
- Teruko Nakagami Williams — Ex-wife
- Miyako Williams — Daughter
- December Williams — Father
- Marlene Clark — Ex-wife
- Corey Williams — Son
- Loretta Williams — Sister
- Loretta Williams — Mother
- Audrey Sellers — Ex-wife
Season 1, Episode 20
- Birth Name: William December Williams
- Birth Place: New York, NY
- Birthday: April 6, 1937, Aries
- Profession: Actor
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