 In filming "Atanarjuat" in Igloolik, Cohn used natural light in shooting with his Sony DVW 700 digital camera, avoiding switches from the automatic camera settings.He also edited the film with Kunuk and Marie-Christine Sarda, sharing the Genie Award for Best Editing.With Kunuk and director Natar Ungalaaq, Cohn also helped develop the screenplay for the 2016 film "Searchers".