| First Name | William |
| Middle Name | Horatio |
| Last Name | Powell |
| Full Name at Birth | William Horatio Powell |
| Age | 91 (age at death) |
| Date of Birth | July 29, 1892 |
| Birthplace | Pittsburgh, Pennsylvania |
| Date of Death | March 5, 1984 |
| Location of Death | Palm Springs, California |
| Cause of Death | Cardiac Arrest |
| Height | 6' 1" (185 cm) |
| Build | Average |
| Eye Color | Blue |
| Hair Color | Brown - Dark |
| Star Sign | Leo |
| Ethnicity | White |
| Nationality | American |
| University | American Academy of Dramatic Arts, NYC |
| Occupation Category | Actor |
| Claim to Fame | Thin Man Series (Nick Charles) |
| Father | Horatio Warren Powell |
| Mother | Nattie Manila Brady |
| Other Family Members | William David Powell (son) |
| Friends | Richard Barthelmess, Ronald colman, James Cagney, Paulette Goddard, Fredric March, Clark Gable, Harold Arlen |
William Horatio Powell (July 29, 1892 – March 5, 1984) was an American actor, noted for his sophisticated, cynical and comical portrayals.
Selected William Powell film and TV show credits: