I Want a Divorce

I Want a Divorce is a 1940 Paramount film directed by Ralph Murphy. The screenplay was written by Frank Butler (based on a story by Adela Rogers St. Johns). The film starred then-married actors Joan Blondell and Dick Powell, who would later divorce in real life. Co-star Gloria Dickson and director Murphy were also later married to one another and divorced.
Plot.
Alan and Geraldine MacNally are a married couple, who are doubting if they did the right thing by marrying each other. Meanwhile, David and Wanda Holland are in the final stages of their divorce. It so happens Alan is the attorney who arranges their divorce. This makes him and Geraldine fall even further apart. Everything changes when Wanda commits suicide after she loses custody of her son. The MacNallys then start thinking about what is really important to them. 
Production.
Blondell and Powell were actually married offscreen from 1936 to 1944.