Sally Forrest was born on 28th May 1928 in San Diego, California to parents Michael Feeney and Marguerite Feeney. She was originally named as Katherine Feeney. Her father was a U.S. Navy officer because of which their family endured a lot of traveling before finally residing in San Diego. After getting retired from his duty, he along with his wife began teaching ballroom dance.
Influenced by her parents' dancing background, Forrest was always interested in pursuing her career in the artistic field. As a result, she began working as a chorus dancer in musicals produced by MGM in the 40s. Her first acting role came in 1946 MGM musical film Till the Clouds Roll By. She appeared as a showgirl in the film but she was not credited.
Till 1949, she appeared in various other drama and musical films like Are You With It?, The Pirate, Easter Parade, Take Me Out to the Ball Game, Mr. Belvedere Goes to College, Dancing in the Dark, Scene of the Crime, and Whirlpool without getting credited for her works.
Sally finally received her first accredited role as Katherine Lang in 1949 movie Flame of Youth. The same year, she played a major role as an unmarried pregnant woman in Ida Lupino directed movie Not Wanted, followed by a role in Never Fear, which was also directed by Lupino.
In 1951, she appeared in another work of Ida Lupino called Hard, Fast and Beautiful which caught the attention of many. She was even honored as the Star of the Year 1951 by a Hollywood columnist for her brilliant contribution to the entertainment world.
Forrest’s attractive measurements had a huge hand in her rise to prominence. An exotic beauty, Sally had an uncommon beauty which was admired by many people. With her pleasing appearance, she has graced various movies like Excuse My Dust (1951), The Strip (1951), Code Two (1953), Son of Sinbad (1955) and While the City Sleeps (1956), the later being her last film project.
Nevertheless, she continued appearing in television productions even after 1956. Her last television appearance was noted in 2000 when she appeared in television documentary Howard Hughes: His Women and His Movies.
A major success during the 40s and 50s, Sally Forrest was one among few artists who conquered the television, film as well as theater world. Though no concrete detail about her income was ever made public, it is believed that she has earned net worth in millions.