Xander Cook is a fictional character from the NBC soap opera Days of Our Lives, portrayed by Paul Telfer. Telfer came to Days as Victor Kiriakis' nephew from his second brother Titus in March 24, 2015, but was soon let go from the soap in late 2015. He lated returned again in September 2016 during a prison break storyline. His last air date was October 17, 2016. He returned once more in the May sweeps storyline in 2017.