b. 19 July 1926, New York City, New York, USA. Gallagher started out as a dancer, appearing in the chorus of Seven Lively Arts (1944), her first time on Broadway. In a similar capacity she appeared in Billion Dollar Baby (1945) and then had a bigger role, this time an acting one, in High Button Shoes (1947). She was again in the ensemble for Brigadoon (1947), but soon thereafter began to improve her standing with audiences thanks to playing in Touch And Go (1949) in New York and the following year in the London production. Her roles in the early 50s included Poupette in Make A...