actor Vincent Kartheiser said he and fiancee Alexis Bledel were completely professional when they first met on set in Season 5.The two only began dating after filming for the television season had wrapped."I did know he liked her from a very early point," he said of the courtship."I was a supporter of that union." "Honestly, they're a really good match," creator Matthew Weiner added. "They have been dating for a few months," a source close to Kartheiser, 33, tells , adding that Bledel's fans need not worry about her falling for the man who plays one of television's most repugnant characters. In fact, in an interview with in May, Bledel said Kartheiser is not actually as creepy as his "Mad Men" character: "He's light and funny and has lots of energy on set. He kind of helped me take the edge off a little bit just by being nice." In the past, Kartheiser has been linked to actress Rachael Leigh Cook, while Bledel dated her "Gilmore Girls" co-star Milo Ventimiglia for more than three years. According to Vulture, Kartheiser lives in Los Angeles but has been staying in Brooklyn with Bledel, whom he met two years ago when she guest-starred as his character Pete's mistress on 's fifth season.It's not just that I thought they would look cute together." "Even with all of Alexis's amazing qualities, I think that if she had not been such a good actress, he would not have been interested," he added.
writes, adding that Kartheiser, profiled this past weekend, "used his night out a bit differently...It's not just that I thought they would look cute together." PHOTOS: Best TV couples of all time He continued: "Even with all of Alexis's amazing qualities, I think that if she had not been such a good actress, he would not have been interested." Us exclusively broke news back in March 2013 that the costars got engaged after dating for a few months. Alexis Bledel and Vincent Kartheiser have remained steadfastly tight-lipped about their romance over the past 4 years, so it's no surprise that the couple did the same when they decided to start a family.But other actors in the serious said they immediately saw a connection between the two actors."I did know he liked her from a very early point," actor Jon Hamm said.