Angel Leonie Coulby (born 30 August 1980) is an English actress. She gained recognition for portraying the character Gwen (Guinevere) in the BBC fantasy series Merlin.

Early life
Coulby was born and grew up in Finsbury Park, Islington, London, and is of Afro-Guyanese descent. She studied for a degree in Acting at Queen Margaret University’s School of Drama, Edinburgh, achieved a first, and was awarded the Laurence Olivier Bursary in 2000.