| First Name | Boris |
| Last Name | Karloff |
| Full Name at Birth | William Henry Pratt |
| Other Names | Karloff the UncannyKarloff |
| Age | 81 (age at death) |
| Date of Birth | November 23, 1887 |
| Birthplace | East Dulwich, London, England, UK |
| Date of Death | February 2, 1969 |
| Location of Death | Midhurst, Sussex, England |
| Height | 5' 11" (180 cm) |
| Build | Slim |
| Eye Color | Brown - Dark |
| Hair Color | Black |
| Star Sign | Sagittarius |
| Ethnicity | White |
| Nationality | British |
| High School | Merchant Taylors' School |
| University | King's College London |
| Occupation Category | Actor |
| Claim to Fame | Frankenstein |
| Father | Edward John Pratt, Jr |
| Mother | Eliza Sarah Millard |
| Brother(s) | brother, Sir John Thomas Pratt |
| Other Family Members | paternal grandparentEdward John Prattpaternal grandparent Eliza Julia (Edwards) PrattAnna Leonowens auntdaughter Sara Karloff |
| Friends | Christopher Lee |
| Associated People | Bela LugosiPeter LorreVincent PriceHazel CourtBasil RathboneRoger Corman |
| Pets | Raised rare Bedlington Terriers |
| Favorite Books | favorite author was Joseph Conrad |
Boris Karloff (23 November 1887 – 2 February 1969), whose real name was William Henry Pratt, was an English actor .
Selected Boris Karloff film and TV show credits: