Langely is a Cleaner on sentry duty when the Hybrid Marcus Corvinus attacks the Sancta Helena docked at Pier 17. Langely is killed immediately, and Marcus drops his body through the boat's skylight onto Alexander Corvinus's desk. Seconds later, Vampiress Selene steals Langely's gun to chase after and engage Marcus.
- Actor Colin Decker also performed stunts for the film.
- Colin Langely's nationality is British.
- "Colin Langely had served with the Cleaners for nearly three years now, after being recruited from Her Majesty's Secret Service, but tonight he felt unusually on edge." ~ Underworld: Evolution novelization, chapter 18