Sean Durkin ( born December 9 , 1981 ) is a Canadian film director , screenwriter and producer . He won the Dramatic Directing Award at the 2011 Sundance Film Festival for '' Martha Marcy May Marlene '' . His short film , '' Mary Last Seen '' , on the same theme as '' Martha '' , won the award for best short film at the 2010 Cannes Film Festival Directors ' Fortnight . In 2013 Durkin directed the Channel 4 drama series '' Southcliffe '' starring Sean Harris and Rory Kinnear
2011 Sundance Film Festival
2011 Sundance Film Festival
Sean Durkin