The two one-name actresses in the crossword are Charo and Cher. Charo is a Spanish-American actress, comedienne, and flamenco guitarist who is best known for her appearances on The Love Boat and The Merv Griffin Show. Cher is an American singer, actress, and television personality who rose to fame in 1965 as part of the duo Sonny & Cher. She has since gone on to have a successful solo career and has won an Academy Award, a Grammy Award, an Emmy Award, and three Golden Globe Awards.