
Derek Riddell
Acting
Born 1967-01-11 · Glasgow, Scotland
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.
Known for

Strathblair
1992 · TV

No Angels
2004 · TV

The Book Group
2002 · TV

Five Days
2007 · TV

Midsomer Murders
1997 · TV

Ugly Betty
2006 · TV

State of Mind
2007 · TV

Happy Valley
2014 · TV

Shetland
2013 · TV

The Village
2013 · TV

Frankie
2013 · TV

A Confession
2019 · TV

Undercover
2016 · TV

Hard Sun
2018 · TV

Boarders
2024 · TV

Payback
2023 · TV

Bodies
2023 · TV

Doctor Who
2005 · TV

The Virgin Queen
2006 · TV

Gentleman Jack
2019 · TV

Death in Paradise
2011 · TV

Gunpowder
2017 · TV

Industry
2020 · TV

Ripper Street
2012 · TV

W1A
2014 · TV

Crime
2021 · TV

Spooks
2002 · TV

Casualty
1986 · TV

Terminator: The Sarah Connor Chronicles
2008 · TV

Law & Order: UK
2009 · TV

Taggart
1983 · TV

Garrow's Law
2009 · TV

ShakespeaRe-Told
2005 · TV

M.I. High
2007 · TV

The Field of Blood
2011 · TV

Trust Me
2009 · TV

Urban Gothic
2000 · TV

Secrets and Words
2012 · TV