Mario Lopez plays the iconic Vince Fontaine as well as the show's behind-the-scenes host on Grease Live! Vince Fontaine appears at the Rydell High school dance and he is beloved by character Marty Maraschino, who has an affinity for older men. But, in real life, Lopez is married to beautiful wife Courtney Mazza. Mazza is known for being a part of the reality shows Mario & Courtney's Wedding Fiesta (2012), Extra (1994) and Mario Lopez: Saved by the Baby (2010). On their reality shows, Mazza and Lopez welcomed viewers into their home, marriage, wedding and baby news. The couple met during a production of the Broadway show Chorus Line as Mazza is best known for her Broadway dance career. They started dating in 2008 and welcomed a daughter named Gia Francesca in September 2010. The pair got engaged over New Year’s weekend in 2011-2012. They later welcomed their son Dominic in September 2013.
The role of Vince Fontaine was originally played by Edd Byrnes. Vince Fontaine is a radio announcer who visits Rydell High at the big dance and he gets a bit flirty with Marty. Byrnes battled substance abuse until 1982. He married and divorced longtime love, actress Asa Maynor, before having their son Logan Byrnes. Logan Byrnes went on to become a news anchor for FOX's affiliate in Hartford, Connecticut. (Kevin Estrada/FOX)