Who directed the  American romantic comedy-drama which Mackenzie Davis  made her film debut in
Mackenzie Davis Mackenzie Davis (born April 1, 1987) is a Canadian actress. She made her film debut in "Smashed", and later appeared in "Breathe In", "That Awkward Moment", and "The F Word", the latter for which she received a Canadian Screen Award nomination.
6 Years 6 Years is a 2015 American romantic drama film, written and directed by Hannah Fidell, and starring Taissa Farmiga, Ben Rosenfield, Lindsay Burdge, Joshua Leonard, Peter Vack, and Dana Wheeler-Nicholson. Filmmakers Mark and Jay Duplass served as executive producers under their Duplass Brothers Productions banner. The film depicts two weeks in the relationship of college students Melanie Clark and Dan Mercer, as their 6-year romance turns violent.