The Guy Who Came Back is a 1951 film made by 20th Century Fox, directed by Joseph M. Newman, and starring Paul Douglas, Joan Bennett, and Linda Darnell.
While his wife Kathy supports the family, Harry spends time with his son, Willie, teaching him football.
But while battling his depression, Harry becomes attracted to Dee Shane, who persuades him to become an entertainer, telling his old football stories on stage.
Harry thinks he's a natural for that, but flops before a big audience and proceeds to go on a three-day drinking binge.
But before he can, an admiral who saw the football game offers gladly to induct a man fit enough to sink the Navy on this field of battle.