Tristan Gemmill
Biography
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.
Known For

The Crown

Death in Paradise

Agatha Christie's Poirot

Casualty

Father Brown

Call the Midwife

Citadel

Loose Women
All Movies (10)
- An Enemy Within2025 · as William Wingate
- The Adventurer: The Curse of the Midas Box2013 · as Isambard Black
- Flying Blind2013 · as Robert
- Comet: A Great British Air Disaster2013 · as Self - Narrator (voice)
- Hannibal: Rome's Worst Nightmare2006 · as Varro
- The Jacket2005 · as Officer Nash
- Gladiatress2004 · as Firmus
- The Gospel of John2003 · as Andrew
- The Life of Jesus2003 · as Andrew
- Nancherrow1999 · as Walter
All TV Shows (19)
- Agatha Christie's Seven Dials2026 · as Doctor Jackman
- Citadel2023 · as Banker
- The Crown2016 · as Dr Richard Thompson
- Father Brown2013 · as Inspector Neil Beckett
- Call the Midwife2012 · as Clifford Raines
- Death in Paradise2011 · as Marc Campese
- Meadowlands2007 · as David York
- Mayo2006 · as Lawrence Davis
- The Golden Hour2005 · as Sgt Jim Travis
- Distant Shores2005 · as Duncan McCallister
- Celebrity Mastermind2003
- Red Cap2003
- Judge John Deed2001 · as Dr. David Barbara
- Loose Women1999 · as Self
- Nancherrow1999
- Trial & Retribution1997 · as Meadows, Actor
- Agatha Christie's Poirot1989 · as Major Despard
- Casualty1986 · as Adam Trueman
- Winston Churchill: The Wilderness Years1981 · as Schoolboy