Born in Portsmouth in 1947, Costigan grew up in Salford and joined the esteemed Liverpool Everyman theatre company in 1974. He has been a regular on our screens since 1978
Known for Hereafter 2010 Line of Duty 2012 Happy Valley 2014 Calendar Girls 2003 Series ★ 8.2 Line of Duty 2012
Patrick Fairbank Series ★ 8.2 Sherlock Holmes 1984
Wilson Kemp Series ★ 8 Happy Valley 2014
Nevison Gallagher Series ★ 7.9 Inspector Morse 1987
Ron Garrett Series ★ 7.8 Gentleman Jack 2019
James Holt ★ 7.6 Doctor Who: Voyage of the Damned 2007
Max Capricorn Series ★ 7.6 A Touch of Frost 1992
Allen Moorhead Series ★ 7.5 Midsomer Murders 1997
Jack Filby Series ★ 7.4 Vera 2011
Bill Telling Series ★ 7.4 Unforgiven 2009
Eddie Ackroyd Series ★ 7.4 The Inspector Lynley Mysteries 2002
Owen Harcourt-Baines ★ 7.3 The Arbor 2010
Jimmy 'The Wig' Series ★ 7.3 New Tricks 2004
Series ★ 7.3 Hetty Wainthropp Investigates 1996
Wallace Pickering Series ★ 7.1 Minder 1979
Billy Series ★ 7 Bergerac 1981
Oliver Sutton Series ★ 6.8 The Bill 1984
★ 6.6 Garage 2007
Dan ★ 6.5 Calendar Girls 2003
Eddie Series ★ 6.4 Dalziel and Pascoe 1996
Barry Bendelow Series ★ 6.3 See No Evil: The Moors Murders 2006
DCI Joe Mounsey ★ 6.3 Shirley Valentine 1989
Dougie Series ★ 6.2 Ridley 2022
Ray Trevice ★ 6.2 Rita, Sue and Bob Too 1987
Bob Series ★ 6.2 Casualty 1986
Robert ★ 6.1 Hereafter 2010
Foster Father ★ 5.9 Frozen 2005
P.C. Pike 
