After working as a talent agent, Nardino held positions as Vice President in charge of the television departments at the Ashley-Famous Agency (now ICM Partners) and William Morris Endeavor (where he previously worked as an agent) during the 1960s and 1970s. In 1977, he was named President of Paramount Television. During this time, he oversaw production on highly successful television series such as Happy Days (starring Don Most), Taxi (starring Search for Spock actor Christopher Lloyd), and Cheers (starring Kirstie Alley), as well as mini-series and TV movies like Shogun (starring John Rhys-Davies and W. Morgan Sheppard), A Woman Called Golda (starring Leonard Nimoy and produced by Harve Bennett), The Winds of War (featuring Peter Brocco, Michael Ensign, Ken Lynch, Byron Morrow, George Mur