The F Word (released in some countries as What If?)
 is a 2013 Canadian romantic comedy film directed by Michael Dowse and written by Elan Mastai, based on TJ Dawe and Michael Rinaldi's play "Toothpaste and Cigars".
 The film stars Daniel Radcliffe, Zoe Kazan, Megan Park, Adam Driver, Mackenzie Davis and Rafe Spall and follows a pair of best friends who begin to have feelings for each other.
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.
The Right Kind of Wrong is a 2013 Canadian romantic comedy film directed by Jeremiah S. Chechik, based on the 1987 novel "Sex and Sunsets" by Tim Sandlin.
 Its premiere was in the Gala Presentation section at the 2013 Toronto International Film Festival.
No Stranger Than Love is a 2015 Canadian romantic comedy film directed by Nick Wernham and written by Steve Adams.
 The film stars Alison Brie, Justin Chatwin and Colin Hanks.
 The film was released on June 17, 2016, in a limited release and through video on demand by Orion Pictures.
Love, Sex and Eating the Bones is a 2003 Canadian romantic comedy film directed and screenwriter|written by Sudz Sutherland featuring a mostly African American and Black Canadian leading cast.
 It premiered and played twice at the 2003 Toronto International Film Festival, where it won the award for Best Canadian First Feature Film.
Gerontophilia is a 2013 Canadian romantic comedy film directed by Bruce LaBruce and written by LaBruce and Daniel Allen Cox.
 It was screened in the Vanguard section at the 2013 Toronto International Film Festival.
Men with Brooms is a 2002 Canadian romantic comedy film, starring and directed by Paul Gross.
 Centred on the sport of curling, the offbeat comedy tells the story of a reunited curling team from a small Canadian town as they work through their respective life issues and struggle to win the championship for the sake of their late coach.
Love at First Sight is a 1977 Canadian romantic comedy film directed by Rex Bromfield,
Lovesick is a Canadian romantic comedy film, released in 2016.
 It was written and directed by Winnipeg filmmaker Tyson Caron, his directorial debut.
Dr. Cabbie is a 2014 Canadian romantic comedy film that stars Kunal Nayyar, Vinay Virmani, and Adrianne Palicki.
 The film is directed by Jean-François Pouliot and co-produced by Bollywood actor, Salman Khan.
 The story revolves around a newly arrived immigrant doctor in Canada who cannot get a job and is forced to become a taxi driver.
 He becomes a local hero when he converts his taxi into a mobile medical clinic.
 The film was released on DVD and Blu-ray from 23 December 2014.

Question: Mackenzie Davis appeared in the 2013 Canadian romantic comedy film directed by whom?
Answer: Michael Dowse