I.Q. Cast

Tim Robbins plays Ed Walters, a mechanic who is in love with Catherine Boyd and seeks advice from Albert Einstein to win her heart.

Meg Ryan portrays Catherine Boyd, a woman caught between her feelings for Ed Walters and her family's expectations.

Walter Matthau stars as Albert Einstein, a brilliant physicist who helps Ed Walters navigate the complexities of love.

Lou Jacobi takes on the role of Kurt Gödel, a fellow mathematician and friend of Albert Einstein.

Stephen Fry plays James Moreland, a character involved in the comedic elements of the film.

Joseph Maher portrays Nathan Liebknecht, a friend of Albert Einstein who also provides guidance to Ed Walters.

Gene Saks appears as Boris Podolsky, a character who adds to the humorous situations in the movie.

Tony Shalhoub plays Bob Rosetti, a character who is part of Ed Walters' social circle.

Frank Whaley portrays Frank, a friend of Ed Walters who supports him in his pursuit of love.

Charles Durning takes on the role of Louis Bamberger, a character with a significant impact on the story.

Danny Zorn plays Dennis, a character who adds to the dynamics within the group of friends.