In 1999, Geoffrey Rush took the lead role as Steven Price in the horror film House on Haunted Hill. In 2000, he received his third Academy Award nomination, for Quills, in which he played the Marquis de Sade.
Geoffrey Rush's career continued at a fast pace, with nine films released from 2001 to 2003. He starred in the film Pirates of the Caribbean: The Curse of the Black Pearl, as Captain Hector Barbossa, also appearing in its sequels, Dead Man's Chest, At World's End and On Stranger Tides.
Geoffrey Rush reprised his character's voice for the enhancements at the Pirates of the Caribbean attractions at Disneyland and the Magic Kingdom theme parks, which involved an Audio-Animatronic with Rush's likeness being installed (including one at Tokyo Disneyland). He also voiced Nigel the pelican in Finding Nemo.
Geoffrey Rush played actor Peter Sellers in the television film The Life and Death of Peter Sellers. For this performance, he won an Emmy Award for Best Actor in a Mini-series or Movie, a SAG Award for Best Performance by an Actor in a Television Movie or Miniseries, and a Golden Globe Award for Best Actor in a Miniseries or Motion Picture made for Television. In 2005, he starred in Steven Spielberg's Munich as Ephraim, a Mossad agent.
In 2006, Geoffrey Rush hosted the Australian Film Institute Awards for the Nine Network. He was the Master of Ceremonies again at the 2007 AFI Awards.
Geoffrey Rush returned as Captain Hector Barbossa in Pirates of the Caribbean: On Stranger Tides, starring Johnny Depp. Rush is also preparing for a film version of The Drowsy Chaperone, an award-winning stage musical. In addition, he voiced the alien Tomar-Re in the film adaptation of the Green Lantern comic book series.
In the beginning of 2009, Geoffrey Rush appeared in a series of special edition postage stamps featuring some of Australia's internationally recognised actors. He, Cate Blanchett, Russell Crowe, and Nicole Kidman each appear twice in the series. Rush's image is taken from Shine.
In 2011, Geoffrey Rush made a cameo in a commercial, The Potato Peeler, for the Melbourne International Film Festival (MIFF), playing a Polish peasant. He spoke his lines in Polish for the part.
In August 2011 Geoffrey Rush was appointed the foundation President of the newly formed Australian Academy of Cinema and Television Arts.