Debuted on Broadway in 1938. Married fellow dancer Gene Nelson. When Gene joined the Signal Corps, Miriam went to Hollywood and signed an acting-dancing contract with Paramount. She eventually became a choreographer in film, choreographing many musical numbers for Gene once he had a contract with Warner Bros. After her divorce from Gene, she eventually married producer Jack Meyers. Miriam was an extra in the party scene in Breakfast at Tiffanys, playing the girl arguing with the man wearing an eye patch. Taught Ingrid Bergman her dance scene in Cactus Flower. In 1969 she choreographed Disney on Parade. She married producer Jack Meyers and was eventually widowed. She returned to the stage in 1992 when her friend Marge Champion produced Ballroom at the Long Beach CLO. Her autobiography, with a forward written by Julie Andrews and Blake Edwards, was published in 2010.