Clifford Hardman "Clive" Brook (1 June 1887 – 17 November 1974) was an English stage and film actor.

After making his first screen appearance in 1920, Brook emerged as a leading British actor in the early 1920s. After moving to the United States in 1924, Brook became one of the major stars for Paramount Pictures in the late silent era. During 1928-29 he successfully made the transition to sound