Complex sentence: Starting out as an actress, she starred with Rex Harrison and Kay Kendall in "The Constant Husband" (1955) and was also in "The Story of Gilbert and Sullivan" (1953), acting in a segment featuring "The Mikado".
Split into simpler sentences: Starting out as an actress, she starred with Rex Harrison and Kay Kendall in "The Constant Husband" and was also in "The Story of Gilbert and Sullivan" (1953). She also obtained parts in the movie "The Story of Gilbert and Sullivan", acting in a segment featuring "The Mikado".