
A doctor's research into the roots of evil turns him into a hideous depraved fiend.
Cecil Clovelly
Edward Enfield

Nita Naldi
Miss Gina

Louis Wolheim
Music Hall Proprietor
Alma Aiken
Extra (uncredited)
J. Malcolm Dunn
John Utterson (uncredited)

Ferdinand Gottschalk
Old Man at Table in Music Hall (uncredited)