This film establishes that Cooter went on to become a Congressman, which is what Ben Jones, the actor who plays Cooter, did in real life.
Enos' spin off role is written into the reunion by explaining him as a detective in L.A., which was his role in "Enos" (1980) Every episode ended with his writing to Daisy about what had happened to him. In the reunion, he hands her all of the letters he had written while in L.A.