Notably, he also played Grima Wormtongue in the landmark 1981 BBC radio adaptation of The Lord of the Rings.
Brooke began as a stage actor and has played in many London productions, including several years as a member of Frank Dunlop's original Young Vic Company. He played Malakili the Rancor Keeper in the 1983 Star Wars film Return of the Jedi (his voiced dubbed over by Ernie Fosselius). He played British Conservative Politician Ian Gow in the 2004 BBC series The Alan Clark Diaries. In 2006, he guest starred in the Doctor Who audio adventure Year of the Pig as well as the 1990 Mr. Bean Sketch "The Library". He also played Mr. Fitzherbert in the 2001 film Bridget Jones's Diary.
Other appearances in television dramas and comedies featuring Brooke include Bertie and Elizabeth, the BBC adaptation of Blott on the Landscape, Lovejoy, Foyle's War, Rab C. Nesbitt, Kavanagh QC, Sharpe's Revenge, Midsomer Murders, Hustle, Covington Cross, The Kit Curran Radio Show, Between the Lines, Relic Hunter and Mornin' Sarge. He also appeared in the miniseries Nostromo (1997).
