
Acting
Derek Riddell
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
Full filmography

Doctor Who
2005
ACTION
Midsomer Murders
1997
CRIME
Death in Paradise
2011
COMEDY
Casualty
1986
DRAMA
Waterloo Road
2006
DRAMA
Shetland
2013
CRIME
Spooks
2002
DRAMA
Ugly Betty
2006
COMEDY
Dalziel and Pascoe
1996
MYSTERY
Industry
2020
DRAMA
Terminator: The Sarah Connor Chronicles
2008
SCI-FI
Taggart
1983
CRIME
Ripper Street
2012
DRAMA
Law & Order: UK
2009
DRAMA
Happy Valley
2014
CRIME
M.I. High
2007
ACTION
Gentleman Jack
2019
DRAMA
Bodies
2023
CRIME
Fantastic Beasts: The Crimes of Grindelwald
2018
FANTASY
W1A
2014
COMEDY
Five Days
2007
CRIME
The Village
2013
DRAMA
The Virgin Queen
2006
DRAMA
Boarders
2024
COMEDY
Crime
2021
CRIME
Gunpowder
2017
WAR
Payback
2023
CRIME
A Confession
2019
CRIME
Mary Shelley
2017
ROMANCE
Hard Sun
2018
CRIME