Callum Scott Howells is a Welsh actor, singer, and television personality who began his career as a child. He is best known for his role as Colin Morris-Jones in the Channel 4 drama It's a Sin.
Callum attended Treorchy Comprehensive School where he was head boy. He took classes with Rhondda Stage School, Stars in the Making in Barry, and was a member of the National Youth Music Theatre. He was scouted by an agent when he was 16 and went on to train at the Royal Welsh College of Music & Drama, graduating in 2020.
Howells made his debut in a regional production of Oliver!. He was a founding member of the boys' choir Only Boys Aloud, performing with them on series 6 of Britain's Got Talent in 2012 and later for Prince Harry and Meghan in 2018. He has since become a youth ambassador.
He appeared in series 2 of the CBBC reality documentary series Show Me What You're Made Of. He was 13 at the time. He later returned as a guest presenter. He worked as a Royal Correspondent on the CBBC series Blue Peter.
Howells won the 2013 Star of the Stage talent show. In 2014, he played Godfrey in Matthew Bourne's New Adventures production of Lord of the Flies at the Wales Millennium Centre. He performed with Treorchy Male Choir in 2015, Pendyrus Male Choir in 2017, and Dunvant Male Choir in 2018.
When he was 17, Howells auditioned for the singing competition Let It Shine with the song "You'll Be Back" from Hamilton. He was part of Group 4 and made it to the final 25. However, he pulled out to make time to play Arpad Laszlo in the West End production of She Loves Me at Menier Chocolate Factory.
In October 2019, it was announced Howells would star in Russell T Davies' miniseries It's a Sin as Colin Morris-Jones. The character is loosely based on a real-life past boyfriend of Davies. The series premiered in January 2021 on Channel 4 and February on HBO Max.
Howells was cast in Gary Owen's new play Romeo and Julie for the Royal National Theatre in 2020, however, due to the COVID-19 pandemic, this was postponed to February 2023.
From 3 October 2022, Howells will play The Emcee in the West End production of Cabaret at the Kit Kat Club at the Playhouse Theatre.
