Doug AllenDoug Allen is an actor.Doug Allen is a British film and television actor.Movies (6)Closed Circuit (2013)Sniper: Legacy (2014)Gangster No. 1 (2000)The Firm (2009)The Guvnors (2014)Once Upon a Time in London (2019)TV (3)Sherlock (2010)Band of Brothers (2001)By Any Means (2013)Genres Doug Allen works indramacrimedramaactionassociation footballcrime