Acting · Kensington, London, England, UK · Born June 6, 1967
Tristan John Gemmill (born 6 June 1967) is an English actor, most notable for his roles as Dr Adam Trueman on Casualty, and Robert Preston in Coronation Street. He was educated at Holmewood House School, Royal Tunbridge Wells, Kent, up to the age of 13. He then won an Academic Scholarship to Tonbridge School.
TVAgatha Christie's Seven Dials
2026
as Doctor Jackman
MovieAn Enemy Within
2025
as William Wingate
TVCitadel
2023
as Banker
TVThe Crown
2016
as Dr Richard Thompson
MovieThe Adventurer: The Curse of the Midas Box
2013
as Isambard Black
MovieFlying Blind
2013
as Robert
MovieComet: A Great British Air Disaster
2013
as Self - Narrator (voice)
TVFather Brown
2013
as Inspector Neil Beckett
TVCall the Midwife
2012
as Clifford Raines
TVDeath in Paradise
2011
as Marc Campese
TVMeadowlands
2007
as David York
MovieHannibal: Rome's Worst Nightmare
2006
as Varro
TVMayo
2006
as Lawrence Davis
TVThe Golden Hour
2005
as Sgt Jim Travis
MovieThe Jacket
2005
as Officer Nash
TVDistant Shores
2005
as Duncan McCallister
MovieGladiatress
2004
as Firmus
TVCelebrity Mastermind
2003
MovieThe Gospel of John
2003
as Andrew
MovieThe Life of Jesus
2003
as Andrew
TVRed Cap
2003
TVJudge John Deed
2001
as Dr. David Barbara
TVLoose Women
1999
as Self
TVNancherrow
1999
MovieNancherrow
1999
as Walter
TVTrial & Retribution
1997
as Meadows, Actor
TVAgatha Christie's Poirot
1989
as Major Despard
TVCasualty
1986
as Adam Trueman
TVWinston Churchill: The Wilderness Years
1981
as Schoolboy
