Started her career in Cuba at the age of 17 and achieved recognition in Cuba for her unique dancing skills, becoming a star at Cuba's National Theatre in Havana. and used the native Latin Rhythms such as Mambo, Son etc and fused them with the classic Bump and Grind routines. Later in the fifties and sixties, she left Cuba for Paris, where she performed and obtained the nickname "The Cuban H-Bomb while working at the Follies' Bergere' in Paris, France.

   Later, she would start appearing in European films such as "Sign of the Gladiator" and later a few American films like The Good, the Bad and the Ugly with Clint Eastwood. She was well-known for playing femme fatales with fiery tempers and sensual dance scenes. One of her performances in the film "Goliath and the Barbarians" earned Alonso the "Italian Cinema's Female Discovery" award.

   Now retired, Alonso moved to a farm in Siena in Tuscany, Italy and started a cat-breeding business, a four-star hotel and opened a fattoria, (a small dining establishment.)