Marcus started life as a journalist – editing and publishing magazines. At 27 he attended LAMDA and trained as an actor. He attended Met Film School and made a short film, The Last Temptation of Chris; in 2010 before completing his feature debut Papadopoulos & Sons; a film that he wrote, directed, produced and self distributed in the UK in April 2013. The film opened to great acclaim, achieving the second highest screen average of any film in its opening weekend. In 2014 he was nominated by the London Critics Circle Awards in the Breakthrough British Filmmaker category.