In 2001, Smith appeared in the British ensemble murder mystery "Gosford Park", which was directed by Robert Altman. The film's cast included Michael Gambon, Helen Mirren, Kristen Scott Thomas, Eileen Atkins, Emily Watson, Charles Dance, Richard E. Grant, Derek Jacobi, and Stephen Fry. Her portrayal as the haughty Constance, Countess of Trentham earned Smith her sixth Academy Award nomination for Best Supporting Actress alongside Mirren. The film premiered at the 2001 London Film Festival, where it received critical acclaim from critics including Roger Ebert, who awarded it his highest rating of four stars, describing the story as "such a joyous and audacious achievement, it deserves comparison with his Altman's very best movies."