Khandi Alexander (born September 4, 1957) is an American dancer, choreographer, and actress. She began her career as dancer in 1980s and was a choreographer for Whitney Houston's world tour from 1988–1992.
During 1990s, Alexander has appeared in a number of films, include CB4 (1993), What's Love Got to Do with It (1993), Sugar Hill (1994), and There's Something About Mary (1998). She starred as Catherine Duke in NBC sitcom NewsRadio from 1995 to 1998. She also had a major recurring role in NBC medical drama ER (1995-2001) as Jackie Robbins, sister to Dr. Peter Benton. Alexander also received critical acclaim for her leading performance in the HBO miniseries The Corner in 2000.