Tilda Swinton

British actress Tilda Swinton poses with the Oscar for best supporting actress for her work in "Michael Clayton" at the 80th Academy Awards Sunday, Feb. 24, 2008, in Los Angeles.

Tilda Swinton poses for a portrait during an interview in Park City, Utah, Jan. 19, 2008. Carving out an international reputation as a risk taker, the London-born Swinton has preferred to sacrifice celebrity for art, becoming involved in experimental projects with new and untried directors and mediums.

Tilda Swinton poses for a portrait during an interview in Park City, Utah, in this Jan. 19, 2008, file photo. Swinton received an Oscar nomination, Tuesday, Jan. 22, 2008, for best supporting actress for her role in "Michael Clayton." — AP Photo/Amy Sancetta

Tilda Swinton poses for a portrait during an interview in Park City, Utah, Jan. 19, 2008. In recent years, Swinton has gravitated towards more mainstream projects.

Tilda Swinton in "Michael Clayton" — Warner Bros. Pictures

Tilda Swinton in her Academy Award-winning role as Karen Crowder in "Michael Clayton."

Tilda Swinton arrives at the 14th Annual Screen Actors Guild Awards on Sunday, Jan. 27, 2008, in Los Angeles.

Presenter Tilda Swinton poses for a photograph backstage at the Directors Guild of America Awards Saturday, Jan. 26, 2008, in Los Angeles.

Actress Tilda Swinton, right, and actress/model Linda Evangelista, flank designer Alber Elbaz at Fashion Group International's 24th annual Night of Stars honoring "The Rule Breakers," held at Cipriani 42nd St., Thursday, Oct. 25, 2007, in New York.

Tilda Swinton, left, and Linda Evangelista and attend Fashion Group International's 24th annual Night of Stars honoring "The Rule Breakers," held at Cipriani 42nd St., Thursday, Oct. 25, 2007, in New York.

"Michael Clayton" co-stars George Clooney, left, and Tilda Swinton pose at a press conference for their movie before its premiere at the 64th Venice Film Festival, in Venice, Italy, Friday, Aug. 31, 2007.

Actor George Clooney, left, and actress Tilda Swinton kid around during a press conference for their film "Michael Cayton" which is in competition at the 64th Venice Film Festival, in Venice, Italy, Friday, Aug. 31, 2007.

From left, actor George Clooney, actress Tilda Swinton and director Tony Gilroy arrive for the screening of their movie "Michael Clayton" competing in the 64th edition of the Venice Film Festival in Venice, Italy, Friday, Aug. 31, 2007.

Actors George Clooney, left, and Tilda Swinton arrive for the screening of their latest movie "Michael Clayton" in competition at the 64th Venice Film Festival, in Venice, Italy, Friday, Aug. 31, 2007.

Actors William Moseley, who plays Peter Pevensie, and Tilda Swinton, who plays Jadis The White Witch, arrive for the world premiere of their new film "The Chronicles of Narnia: The Lion, The Witch and The Wardrobe" in London's Royal Albert Hall, Wednesday, Dec. 7, 2005.

American director Jim Jarmusch, left, British actress Tilda Swinton, center, and American actor Bill Murray share a laugh during a photo call for their film "Broken Flowers" being shown in competition at the 58th Cannes Film Festival in Cannes, southern France, Tuesday. May 17, 2005.

British actors Tim Roth and Tilda Swinton arrive at the festival palace to attend the screening of "Kill Bill Vol.2" being shown out of competition at the 57th Cannes Film Festival in Cannes, southern France, Sunday, May 16, 2004. Swinton was a jury member of the 57th international film festival.

American director and president of the 57th Cannes Film Festival jury, Quentin Tarantino, left, poses with jury members British actress Tilda Swinton, center, and French actress Emmanuelle Beart, in Cannes, southern France, Wednesday, May 12, 2004.

From left, British actress Tilda Swinton, American director Quentin Tarantino, American actress Kathleen Turner and Belgian actor and screenwriter Benoit Poelvoorde pose during the 57th Cannes Film Festival jury's photo call in Cannes, southern France, Wednesday, May 12, 2004.

Actress Tilda Swinton, who stars in the film "Adaptation" arrives for the premiere of the film Tuesday, Dec. 3, 2002, in Los Angeles.