The Man in the Gray Flannel Suit is a 1956 American drama movie directed by Nunnally Johnson and was based on the 1955 novel of the same name by Sloan Wilson. It stars Gregory Peck, Jennifer Jones, Fredric March, Marisa Pavan, Lee J. Cobb, Arthur O'Connell, Keenan Wynn, Connie Gilchrist and was distributed by 20th Century Fox.