In an interview, she stated that she enjoys being able to play Gwen from an early stage in her life, where she's a humble and lowly maid servant, all the way to her becoming Queen of Camelot. She has stated in past interviews that she enjoys music festivals and has recently taken up sewing and is learning to make clothes.
She made her television debut in the BBC television sitcom 'Orrible. Coulby trained for a degree in acting at the Queen Margaret University in Edinburgh.
- Before becoming an actress, Angel worked behind the counter at a deli.
- Her favourite foods are marmite and Tabasco.
- She enjoys cooking, eating, designing, knitting, sewing making her own clothes, music and learning how to play the guitar.
- She does her own stunts on Merlin.
- Her favourite character on Merlin is Merlin because he is 'lovable, charming, sweet and funny'.
- She is 3 years older than co-stars Bradley James and Katie McGrath who play her husband, Arthur and sister-in-law, Morgana respectively. She is also 6 years older than Colin Morgan who plays her best friend, Merlin. Plus, she is 4 years younger then co-star Adetomiwa Edun who plays her younger brother, Elyan.