Tristan Gemmill was born on 6th June 1967 in Kensington, London). At the age of fifteen his family emigrated to Australia where he studied drama at Melbourne University, remaining in that country for the next ten years. After his return to Britain one of his first television roles was in 1998 in The Mrs Bradley Mysteries and two years later in January 2000 he appeared in Coronation Street as Will Griffiths, the drugs counsellor for Leanne Battersby's addiction.
After this he went on to have a series of starring and regular roles in The Bill, London's Burning, Grass, Nancherrow, Distant Shores, Strictly Confidential, Cape Wrath and Casualty.
He was raised in Royal Tunbridge Wells, Kent and is married to actress Emily Hamilton.