Angel Coulby. Actress: Imagine Me & You. Angel Coulby is an English actress. She made her television debut in the BBC comedy 'Orrible. She is best known for portraying the character of Guinevere "Gwen" in the BBC fantasy series Merlin. Angel grew up in north London, Finsbury Park, but moved to Edinburgh to attend the Queen Margaret University where she studied acting. Angel has always been a fan of the fantasy...