Tender Is the Night (1962) Jennifer Jones, Jason Robards, Joan Fontaine

A Psychiatrist and his life with a patient he helped to recover. Against the counsel of his friends, psychiatrist Dick Diver (Jason Robards Jr.) marries Nicole Warren (Jennifer Jones), a beautiful but unstable young woman from a moneyed family. Thoroughly enraptured, he forsakes his career in medicine for life as a playboy, until one day Dick is charmed by Rosemary Hoyt (Jill St. John), an American traveling abroad. The thought of Dick possibly being attracted to someone else sends Nicole on an emotional downward spiral that threatens to consume them both.