List of Famous people who are 66

Charles Donald "Sam" Gemar is an American former astronaut with NASA and a lieutenant colonel in the United States Army. Gemar has flown on three Space Shuttle missions. Gemar has completed 385 orbits of the Earth and over 581 hours in space. He has also served in different positions in NASA, including as a CAPCOM for Shuttle missions. Gemar was the first astronaut to be born in the state of South Dakota.

Francesco Marino is an Italian ordinary of the Catholic Church and the current Bishop of Avellino.

Giuseppe Martinelli is a retired road bicycle racer from Italy, who was a professional rider from 1977 to 1985. He represented his native country at the 1976 Summer Olympics in Montreal, Quebec, Canada, where he won silver medal in the men's individual road race behind Sweden's Bernt Johansson. In 2011, Martinelli became the manager of the Astana cycling team, replacing Yvon Sanquer.

Larry Thomas is an American actor, best known for his guest role as Yev Kassem/the Soup Nazi on Seinfeld, for which he was nominated for an Emmy Award. In addition to making personal appearances as the Soup Nazi, Thomas has appeared in a number of films, TV shows, and commercials, and appears at autograph-signing shows across the country.

Newton Thomas Sigel, ASC is an American cinematographer best known for his collaborations with director Bryan Singer on films like The Usual Suspects, Valkyrie, and the X-Men film franchise. He has also worked with filmmakers like Haskell Wexler, Mike Newell, David O. Russell, Terry Gilliam, Alan Ball, Robert Redford, and Nicolas Winding Refn. He is a BAFTA Award, Independent Spirit Award, Critics' Choice Award, and Satellite Award nominee.