[4] Following this, he worked until the age of 23 as a film publicist, but developed an interest in acting after watching his brother perform in a student play about the Sex Pistols.

With the encouragement of his then-sister-in-law, Amanda Redman, he pursued acting and attended the Central School of Speech and Drama.

[1] In the early 1990s, Glenister appeared in various TV series including Minder, The Ruth Rendell Mysteries, Heartbeat, The Chief, Dressing for Breakfast and Silent Witness.

[12] Glenister played social reformer and estate manager Mr Carter in the 2007 BBC costume drama Cranford, as part of a cast including Judi Dench and Francesca Annis.

[21] In 2010, Glenister had a small role (credited as 'Poker Friend') in Woody Allen's You Will Meet a Tall Dark Stranger, and he played Charles Forestier in a 2011 feature film of Guy de Maupassant's Bel Ami.

[23] In 2011, Glenister reunited with John Simm once more in the Sky TV mini-series Mad Dogs about a group of old friends whose holiday in Majorca takes an unexpected turn.

[citation needed] In 2013, Glenister played Sir William Boyd-Carrington in the final episode of Agatha Christie's Poirot, starring David Suchet, entitled "Curtain".

He also played the role of Mr Trevor Gunn, a lothario PE teacher in David Walliams' BBC One comedy series Big School.

[citation needed] In 2014, Glenister had a leading role in the Kudos-produced BBC drama, From There to Here, which focuses on the aftermath of the IRA bombing of Manchester in 1996.

The pair were set the challenge of restoring classic cars including a Mini Cooper, Land Rover, DeLorean, MG T-type, Ford Escort and a Triumph Stag.

[27] In 2016, Glenister had a leading role in Robert Kirkman's TV adaptation of Outcast, where he played Reverend Anderson, and used an American accent.