The guest mentions having called British actress Brenda Blethen to play the character of the mother in "Louie," but it didn't work out. They also express appreciation for shows like "Curb Your Enthusiasm" where they have creative freedom.
The guest is complimented on only doing cool stuff and having creative freedom in his work.
The process of adding realism to a comedy project can be a lot of work, but worth the effort. Research and thought are often necessary components when it comes to casting and writing.
Louis Anderson shares the story of how he was cast as the mother in the show "Baskets" after Louis C.K. suggested that he imitate his own mother's voice.