William Henry Pratt was born on 23 November 1887, at 36 Forest Hill Road, Peckham, England. His parents were Edward John Pratt … See more

Upon returning to England to live in 1959, his address was 43 Cadogan Square, London. In 1966, he bought 25 Campden House (at 29 Sheffield Terrace), Kensington W8, … See more

Appearances on Lights Out!
Karloff acted in 7 episodes of the Lights Out! NBC anthology radio series from 1938 to 1947: See more

• Grammy Award for Best Album for Children
• Karloff, 2014 one-man play by Randy Bowser See more

Adoption of stage name
Pratt began appearing in theatrical performances in Canada in 1911 and during this period he … See more

Karloff married six times. His wives included stage actress Grace Harding (married from 1910 to 1913), actress Olive de Wilton (from … See more

During the run of Thriller, Karloff lent his name and likeness to a comic book for Gold Key Comics based upon the series. After Thriller was cancelled, the comic was retitled Boris … See more