Derek Riddell (born 11 January 1967) is a Scottish television and theatre actor. He is best known for the portrayal of Richard Cawood in the BBC One television series Happy Valley. He is also known for Gentleman Jack, Industry and The Missing. He has guest-starred in Doctor Who, Ugly Betty, Silent Witness, Waterloo Road, and Shetland. Riddell was born in Glasgow, the son of teacher and former actress Hope Ross and former St Mirren and Berwick Rangers footballer Ian Riddell. He graduated from the University of Strathclyde with a degree in business, before training at the London Academy of Music and Dramatic Art, graduating in 1990.
Derek Riddell has 31 screen credits in a career dating back to 1983. Their work is anchored in the Wizarding World universe with 1 titles. Signature works include Forgiven, Tumshie McFadgen's Bid for Ultimate Bliss, The Christmas Quest. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.