Biography: Callum Scott Howells (born 29 April 1999) is a Welsh actor and singer. He began his career as a child actor. He was a founding member of the boys' choir "Only Boys Aloud" and graduated from the Royal Welsh College of Music & Drama, in Cardiff in 2020. He is best known for his role as Colin Morris-Jones in the 2021 Channel 4 drama "It's a Sin".