Khandi Alexander (born September 4, 1957) is an American dancer, choreographer, and film and television actress. She is perhaps best known for the roles of Dr. Alexx Woods on CSI: Miami and as Catherine Duke on NewsRadio. She also had a major recurring role on ER as Jackie Robbins, sister to Dr. Peter Benton. She is currently appearing in the HBO series Treme. Khandi Alexander was born in New York City and educated at Queensborough Community College. She appeared on Broadway starring in Chicago, Bob Fosse's Dancin, and Dreamgirls. She was a choreographer for Whitney Houston's world tour from 1988a__1992, and also appeared as a dancer in Natalie Cole's video for 'Pink Cadillac' in 1988.
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