Cotten character passes through three stages of artistic development--commercial, political, and personal. Each phase is more difficult, but as he progresses he confronts and overcomes his fears. His talent makes the imaginary real.
Ethel Barrymore is the elderly art dealer who shares the secret of artistry with him. Holden's performance is terrific. Jennifer Jones plays the muse.
The 1948 film was directed by William Dieterle, and it is extremely arty, as well as psychological. Almost an artistic film noir.
I give it five stars--for art lovers. If you are not interested in art, or the interior struggles of artistic souls, you may not like it at all...