Annette Charles

Description   [from Freebase]

Annette Charles (March 5, 1948 – August 3, 2011) was an American actress best known for her role as Charlene "Cha Cha" DiGregorio in Grease. She made several appearances on television as well. Charles was born Annette Cardona in Los Angeles, California. Under that name, she was a speech professor at California State University, Northridge. Annette Charles died on August 3, 2011, in Los Angeles due to complications from cancer.
Portions from Freebase, licensed under CC-BY and Wikipedia licensed under the GFDL