Mr. Sardonicus
- Ano: 1961
- País: United States of America
- Xénero: Horror, Mystery
- Estudo: William Castle Productions, Columbia Pictures
- Palabra clave: mask, leech, grave, castle, baron, flashback, torture, masked man, disfigured face, disfigurement, 19th century
- Director: William Castle
- Reparto: Ronald Lewis, Audrey Dalton, Guy Rolfe, Oskar Homolka, Vladimir Sokoloff, Erika Peters