Jeanette Loff was born Janette Löv in Orofino, Idaho, on October 9, 1906. Her father Maurice was a successful violinist who moved their family to Canada when Jeanette was a child. She loved to sing and she studied music at the Ellison and White Conservatory. At age sixteen she had a starring role in the operetta Treasure Hunters. Jeanette moved to Oregon and got a job playing the organ. She made her acting debut in the 1927 film Uncle Tom's Cabin. Cecil B. Demille offered her a contract and she quickly became one of Hollywood busiest starlets. In 1928 she appeared in Annapolis, Love Over Night, and Hold 'Em Yale. After her parents divorced Jeanette's mother Inga and sisters Irene and Myrtle came to live with her in California. Jeanette married a salesman named Harry Rosenbloom but they divorced in 1929. She also had a love affairs with producer Paul Bern, song writer Walter O'Keefe, and actor Gilbert Roland. Jeanette got the chance to show off her soprano voice in films like King Of Jazz and Party Girl. By 1931 she was tired of playing ingénues and decided to take a break from making movies. She moved to New York city and starred in several Broadway shows. Jeanette tried to make a comeback with the 1934 drama St. Louis Woman but it was not a hit. After a few more small roles her career stalled. Her final film was the comedy Million Dollar Baby. She retired from acting and married producer and liquor salesman Bert E. Friedlob. Sadly she did not get to enjoy her new life for very long. On August 5, 1942 Jeanette died after ingesting ammonia. She was only thirty-five years old. Although many believe she committed suicide her death may have been accidental. Her family does not believe she took her own life. Jeanette is buried at Forest Lawn Memorial Park in Glendale, California.
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| 1934 | Million Dollar Baby as Rita Ray |
| 1934 | Flirtation as Nancy Poole |
| 1934 | Hide-Out as Blonde #2 (uncredited) |
| 1934 | Benny, from Panama as Jeanette Foy |
| 1934 | A Duke for a Day as Gloria Blossom |
| 1934 | St. Louis Woman as Lou Morrison, the St. Louis Woman |
| 1930 | Fighting Thru as Alice Malden |
| 1930 | The Boudoir Diplomat as Greta |
| 1930 | See America Thirst as Woman (uncredited) |
| 1930 | King of Jazz as Vocalist ('It Happened in Monterey' / 'Bridal Veil' / 'A Bench in the Park') |
| 1930 | Party Girl as Ellen Powell |
| 1929 | The Racketeer as Millie Chapman |
| 1929 | The Sophomore as Barbara Lange |
| 1928 | Annapolis as Betty |
| 1928 | Fashion News as Self (1930) |
| 1928 | Man-Made Women as Marjorie |
| 1928 | The Black Ace |
| 1928 | Hold 'Em Yale as Helen Bradbury |
| 1927 | My Friend from India as Marion / Ruth Brooks |
| 1927 | Uncle Tom's Cabin as Auction Spectator (uncredited) |
| 1926 | Young April as Extra (uncredited) |
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