Maria Conchita Alonso was born Maria Concepcion Alonso Bustillo on June 29, 1957 in Cienfuegos, Cuba, but raised in Caracas, Venezuela. She was crowned Miss Teenager World in 1971 and later as Miss Distrito Federal became the first runner up in the Miss Venezuela 1975 competition placing later that year in the top seven of the Miss World 1975. She became a popular actress in Latin America, working in ten telenovelas (soap operas) and starred in a quartet of Venezuelan films. She was also a popular singer, and has three Grammy Award nominations.

In 1982, she emigrated to the United States, and made her Hollywood film debut in Paul Mazursky's Moscow on the Hudson (1984), opposite Robin Williams. She also starred in movies such as Touch and Go (1986), Extreme Prejudice (1987), The Running Man (1987), Colors (1988), Vampire's Kiss (1988), Predator 2 (1990) and The House of the Spirits (1993). In 1995, she was playing Aurora/Spider Woman in a Broadway production of "Kiss of the Spider Woman", making her the first South American woman to star on the Great White Way.