Twice in a Lifetime is a 1985 film starring Gene Hackman and directed by Bud Yorkin. The plot involves a steelworker and married man going through a midlife crisis when he finds himself attracted to another woman, played by AnnMargret.
Harry Mackenzie works in a factory by day and comes home to comfortable marriage at night, but it lacks excitement and passion. For his 50th birthday, his wife Kate blithely tells him to just go to his favorite corner tavern and have a good time.An attractive barmaid, Audrey Minelli, captures his interest. Harry falls for her and, before long, shocks Kate by requesting a divorce. This horrifies their daughters, particularly Sunny, who is having a difficult marriage of her own, and Helen, who is about to be wed. ........
Source: Wikipedia