🎬Actress.. The Corner "Denise" Harriet Rene "Khandi" Alexander (born September 4, 1957) is a dancer, choreographer, and actress. She began her career as a dancer in the 1980s and was a choreographer for Whitney Houston's world tours from 1988 to 1992. During the 1990s, Alexander appeared in a number of films, including 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 the NBC sitcom NewsRadio from 1995