Which of the hosts on A-List Listings is not married to Neil Patrick Harris?
A-List Listings:  Hosted by David Burtka and Catt Sadler, the series showcases America's most exclusive and extravagant homes. David Burtka:  After his role on "How I Met Your Mother", Burtka gained media attention for dating Neil Patrick Harris, whom he later married in 2014.
Catt Sadler