Beyond that, only J.Q. Adams (who spent the rest of his career in the House of Representatives), Taft (who served on the Supreme Court), and Tyler (who was elected to the Confederate House of Representatives) went on to any government service after the presidency.
------- "A man who is good enough to shed his blood for his country is good enough to be given a square deal afterwards. More than that no man is entitled, and less than that no man shall have." - TR