Curious about the Mayfair family? Yeah, it's a pretty large family and the fact they're werewolves may make a visit to their house that much more intimidating. Aside from five sisters, there are four Mayfair brothers: Nathan (the oldest and smokin' hot), Isaac (second oldest and love of Adria Dawson's life), Seth (third oldest, trying to prove himself to his notorious father) and Xavier (youngest, Daisy Mayfair's twin and the one that can't stick with one girl!) The actors shown above are Isaac (Kevin Zegers), ...