Dylan Radcliff is a character in the new ABC series, The Gates, and is played by the actor Luke Mably. He's a CEO of a successfull BioTech research firm, and a Vampire. He turned his wife, Claire Radcliff, prior to the start of the show and is the father of Emily Radcliff. In order to keep Emily safe, Claire and Dylan moved to The Gates community from New York.
Unlike his wife, he seems to have more control of his vampire bloodlust.