He has worked opposite notable actors on film Including Marlon Brando, Catherine Zeta-Jones, Benicio del Toro, Lauren Bacall, Kristin Scott Thomas, Woody Harrelson and Jon Voight. His films include [Allies} 2014 Ruby Strangelove (2015), Robocroc (2013), Jetstream (2012), The Walker (2007), A Dog of Flanders (1999), Christopher Columbus: The Discovery (1992), Split Second (1992), Young Toscanini (1988). Hartley's extensive theatre work includes reprising his role as Bill Sikes in the West End Musical Oliver! in 2009-2010 for Producer Cameron Mackintosh, the third time Hartley has played the role since being cast by Director Sam Mendes in 1996 and recently played a leading role in 'Fit and Proper people' for the Royal Shakespeare company.