The American actor and professional chef who hosted an American reality television series that showcases America's most exclusive and extravagant homes, was known for starring on what t.v. show?
A-List Listings:  Hosted by David Burtka and Catt Sadler, the series showcases America's most exclusive and extravagant homes. David Burtka: David Michael Burtka (born May 29, 1975) is an American actor and professional chef. David Burtka:  He is known for his acting roles in theatre and television shows such as "How I Met Your Mother" and "The Play About the Baby". 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.
How I Met Your Mother