Angel Coulby, English actress. She is best known for her role as Queen Guinevere "Gwen" Pendragon of Camelot on the BBC fantasy series Merlin. She also starred in British TV series 'Orrible, Dancing on the Edge, and The Tunnel, and appeared in Doctor Who, Vincent, & Conviction. She will provide the voice of Kayo in the 2015 version of Thunderbirds are Go!. She is a graduate of Queen Margaret University, and is said to be dating former Merlin co-star Bradley James (King Arthur Pendragon).