 Another minor role was as an actor in a crime reconstruction in Lynda La Plante's "Trial & Retribution".In January 2000 Gemmill appeared in Coronation Street as a therapist for Leanne Tilsey and in 2001, he appeared in six episodes of "The Bill" as corrupt Detective Sergeant Peter Cork, in a storyline following a serial rapist.These episodes saw his character sexually assault DC Kate Spears, romance PC Cass Rickman, and be exposed as colluding with another corrupt officer in sheltering the rapist (played by Michael McKell), only to be killed after being stabbed by the same rapist.