His efforts as the Monster in 1931's "Frankenstein" turned 44-year-old veteran British bit player William Henry Pratt-or, as he'd become universally known, Boris Karloff-into one of horror cinema's first and most enduring genre stars. This documentary tribute looks at the mannered gentleman and the chills he'd provide over his decades in films, stage, and broadcasting, with input from collaborators and fans including Roger Corman, Peter Bogdanovich, Guillermo del Toro, Joe Dante, many more.
