Clifford Clive Hardman Brook was a British film actor.
After appearing in several British productions, including three films Hitchcock worked on, Brook moved to Hollywood in the 1920s.
He returned to England in the mid-1930s and was briefly linked to a Hitchcock project titled London Symphony.
- Woman to Woman (1923) — cast: David Compton/David Anson-Pond
- The Passionate Adventure (1924) — cast: Adrien St. Clair
- The White Shadow (1924) — cast: Robin Field