
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.

as Patrick Knight

as Des McCordell
1997

as Sir Robert
2005

as Patrick Knight
2011

as Jeff Marriot
1986

as Chris Brooks
2013

as Steven
2002

as Stuart
2006

as Clement Cowan
2020

as Lachlan Weaver
2008

as Constantine
2012

2009

as Richard Cawood
2014
as Torquil Travers
2018

as Victor Grimes
2024

as John
2024

as Torquil Travers
2018

as William Baxter
2017

as Father Rodrigo
2012

as Hotel Desk Clerk
2009

as Nigel Searle
2009

as Parson
2007

as Stephen
2007

as Don
2005

as Mr. Campbell
2005
as Tumshie McFadgen
2004
as Richard Loach
2002
as Patrick Knight
1 ep.

as Des McCordell
1 episodes

as Sir Robert
1 episodes

as Patrick Knight
1 episodes

as Jeff Marriot
1 episodes

as Chris Brooks
5 episodes

as Steven
1 episodes

as Stuart
7 episodes

as Clement Cowan
2 episodes

as Lachlan Weaver
1 episodes

as Constantine
2 episodes

1 episodes

as Richard Cawood
6 episodes

1 episodes

as Chief Inspector Calloway
5 episodes

as Edward Dixon Halliday
1 episodes

as Captain Sutherland
3 episodes

as Bill Gibby
6 episodes

as Richie Gulliver
2 episodes

as Matthew Bambridge
1 episodes

as Nick Durden
10 episodes

as Clive Cook
2 episodes

as DCI Adam Guthrie
6 episodes

as Bernard
6 episodes

as King James I
3 episodes