Acting
- 2021Railway MurdersSelf. Presenter6 ep.
- 2017Myths & MonstersHimself - Presenter6 ep.
- 2016The CrownJim Prior2 ep.
- 2015Murder MapsHimself - Host26 ep.
- 2009Garrow's LawJohn Julius Angerstein1 ep.
- 2009The TakeFreddie Senior4 ep.
- 2002Daniel DerondaLord Brackenshaw4 ep.
- 2000In DefenceDCI Bran Minter (as Nick Day)1 ep.
- 1999Extremely DangerousGregg4 ep.
- 1997The LakesArcher12 ep.
- 1995Kavanagh Q.C.Alan Jacobs1 ep.
- 1993Goodnight SweetheartJack the Ripper1 ep.
- 1991Trouble In MindMalcolm Barclay9 ep.
- 1990Drop the Dead DonkeyTax Officer1 ep.
- 1989SaracenTerence Swift1 ep.
- 1986Lord Mountbatten: The Last ViceroyPeter Howes6 ep.
- 1983Up the Elephant and Round the CastleCouncillor Arnold Moggs10 ep.
- 1982Harry's GameBannen3 ep.
- 1981It Takes a Worried ManGaskell1 ep.
- 1980GrundySalvatore1 ep.
- 1980CribbIgor Ozolin1 ep.
- 1979MinderDS Morley16 ep.
- 1976Ripping Yarns1 ep.
- 1972EmmerdaleAnthony Fox15 ep.
Guest appearances
- 2025AndorCleave1 ep.
- 2025EmmerdaleAnthony Fox15 ep.
- 2020The CrownJim Prior2 ep.
- 2013Agatha Christie's PoirotIngles1 ep.
- 2009Garrow's LawJohn Julius Angerstein1 ep.
- 2009Midsomer MurdersMartin Crisp1 ep.
- 2004New TricksDonald Bevan1 ep.
- 2001The Inspector Lynley MysteriesChief Superintendent Hillier1 ep.
- 2000In DefenceDCI Bran Minter (as Nick Day)1 ep.
- 1999Goodnight SweetheartJack the Ripper1 ep.
- 1999The LakesArcher8 ep.
- 1996Kavanagh Q.C.Alan Jacobs1 ep.
- 1995Screen TwoCharles Kendrick1 ep.
- 1991MinderDS Morley16 ep.
- 1993Drop the Dead DonkeyTax Officer1 ep.
- 1991LovejoyAlec Statham1 ep.
- 1989SaracenTerence Swift1 ep.
- 1985Up the Elephant and Round the CastleCouncillor Arnold Moggs10 ep.
- 1982ITV PlayhouseDr. Holroyd1 ep.
- 1981PlayhouseSurg. Lt. Commander1 ep.
- 1981It Takes a Worried ManGaskell1 ep.
- 1981CribbIgor Ozolin1 ep.
- 1980GrundySalvatore1 ep.
- 1977Ripping Yarns1 ep.
Also known as: Nick Day