French lawyer Jacques Verges arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

Australian actress and jury member Toni Collette arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

French actress Sophie Marceau arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

American actress Kerry Washington arrives for the screening of the film "Zodiac" at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

American actor Jake Gyllenhaal, and American actress Chloe Sevigny arrive for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

Guests arrive for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

Australian actress Toni Collette arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

French actor Melvil Poupaud (2ndL) arrives with the cast of the film 'Un Homme Perdu' (The Lost Man) French actress Yasmine Lafitte (L), French producer Nathanael Karmitz (2ndR) and Lebanese actress Darina El Joundi (R) at the Festival Palace for the screening of US director David Fincher's film 'Zodiac' at the 60th edition of the Cannes Film Festival, southern France, 17 May 2007. Man at centre is unidentified. A lavish sprinkle of Hollywood stars and veteran film-makers, a dash of arthouse fare and new international discoveries -- the Cannes filmfest celebrates its 60th edition with a tried and true recipe for success

French actress Yasmine Lafitte poses as she arrives at the Festival Palace for the screening of US director David Fincher's film 'Zodiac' at the 60th edition of the Cannes Film Festival, southern France, 17 May 2007. A lavish sprinkle of Hollywood stars and veteran film-makers, a dash of arthouse fare and new international discoveries -- the Cannes filmfest celebrates its 60th edition with a tried and true recipe for success

(From L) French producer Nathanael Karmitz, French actress Yasmine Lafitte, Lebanese actress Darina El Joundi and Sudanese actor Alexander Siddig arrive at the Festival Palace for the screening of US director David Fincher's film 'Zodiac' at the 60th edition of the Cannes Film Festival, southern France, 17 May 2007. A lavish sprinkle of Hollywood stars and veteran film-makers, a dash of arthouse fare and new international discoveries -- the Cannes filmfest celebrates its 60th edition with a tried and true recipe for success

(From L) French producer Nathanael Karmitz, Lebanese actress Darina El Joundi and Sudanese actor Alexander Siddig arrive at the Festival Palace for the screening of US director David Fincher's film 'Zodiac' at the 60th edition of the Cannes Film Festival, southern France, 17 May 2007. A lavish sprinkle of Hollywood stars and veteran film-makers, a dash of arthouse fare and new international discoveries -- the Cannes filmfest celebrates its 60th edition with a tried and true recipe for success

French director Celine Sciamma, second from left, arrives with the cast of her film 'Naissance des Pieuvres' (Water Lilies) from left, Pauline Acquart, Louise Blachere and Adele Haenel, for the screening of the film "Zodiac" at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

Picture taken 17 May 2007 shows photographers waiting for celebrities to arrive at the Festival Palace for the screening of US director David Fincher's film 'Zodiac' at the 60th edition of the Cannes Film Festival, southern France. A lavish sprinkle of Hollywood stars and veteran film-makers, a dash of arthouse fare and new international discoveries -- the Cannes filmfest celebrates its 60th edition with a tried and true recipe for success

From left to right, French actresses Adele Haenel, Louise Blachere, director Celine Sciamma and actress Pauline Acquart arrive for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

US actor Rick Yune poses as he arrives at the Festival Palace for the screening of US director David Fincher's film 'Zodiac' at the 60th edition of the Cannes Film Festival, southern France, 17 May 2007. A lavish sprinkle of Hollywood stars and veteran film-makers, a dash of arthouse fare and new international discoveries -- the Cannes filmfest celebrates its 60th edition with a tried and true recipe for success

Australian actress Toni Collette arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

French actress Firmine Richard arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

French actress Sophie Marceau arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

Actor Rick Yune arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

American actress Kerry Washington arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

Actor Rick Yune arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

From left to right, American actors Sunrise Coigney, Mark Ruffalo, Jake Gyllenhaal and Chloe Sevigny and American director David Fincher arrive for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

A guest walks up the red carpet during arrivals for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

Head of the de Grisogono Swiss jewellery company Fawaz Gruosi and his wife Caroline Scheufele arrive for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

From left to right, American actors Sunrise Coigney, Mark Ruffalo, Jake Gyllenhaal and Chloe Sevigny and American director David Fincher arrive for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

From left, Sunrise Coigney, American actor Mark Ruffalo, American actor Jake Gyllenhaal, American actress Chloe Sevigny, and American director David Fincher arrive for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

From left, American actress Chloe Sevigny, Sunrise Coigney, American actor Mark Ruffalo, and American actor Jake Gyllenhaal arrive for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

American actress Chloe Sevigny arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

Australian actress and jury member Toni Collette arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.

Australian actress and jury member Toni Collette arrives for the screening of the film "Zodiac," at the 60th International film festival in Cannes, southern France, on Thursday, May 17, 2007.