He has also made cameo appearances on the Australian comedy programs Pizza, Swift and Shift Couriers and Housos.
He was hired by legendary News Director John Sorrell who wanted to make Mangos the first Greek-Australian face on mainstream commercial television.
In 2008, he became a contestant on It Takes Two, a variety show that teams celebrities with professional singers, who each week compete against each other in a sing-off to impress a panel of judges and ultimately the viewing public in order to survive potential elimination.
In June 2011, John Mangos' contract with Sky News was not renewed following controversial comments he made on the Paul Murray Live program.
[2] In September 2011, Mangos filled in for Lee Lin Chin on SBS World News for one month.