
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.
Acting · 28
An Enemy Within
2025
Citadel
2023
The Crown
2016
Flying Blind
2013
Father Brown
2013
Call the Midwife
2012
Meadowlands
2007
Mayo
2006
The Golden Hour
2005
The Jacket
2005
Distant Shores
2005
Gladiatress
2004
Red Cap
2003
Judge John Deed
2001
Loose Women
1999
Nancherrow
1999
Nancherrow
1999
Casualty
1986



























