Question: William Phillips worked on the second unit of which Canadian horror film?

Context paragraphs:
Mickey Moore: Michael D. Moore (October 14, 1914 – March 4, 2013) was a Canadian-born American film director, second unit director, and child actor, when he was credited as Mickey Moore (or Micky Moore).  He was credited as Michael Moore on all the films and TV shows he directed, and on most of the films on which he was second unit director.

Allan Graf: Allan Graf (born c. 1949), also known as Allan L. Graf, is an American athlete, film actor, stuntman and director with more than 35 years' experience in the film making industry.  A high school All-American football player at San Fernando in Los Angeles, California, Graf played offensive guard for the undefeated national champion University of Southern California Trojans in 1972.  After a brief experience playing professional football, Graf stumbled into stunt work, and over time has become a respected stunt coordinator in Hollywood, coordinating stunts in football movies like "Any Given Sunday" and "Friday Night Lights".  Graf likes to cast himself in onscreen stunt roles, and has appeared in many television shows and movies.  Recently Graf has become known as a second unit director, initially running second unit for comedies like "Wayne's World", "The Replacements" and "The Waterboy", then moving on to award-winning projects like "We Were Soldiers" and "Jerry Maguire".

Stephen Woolfenden: Stephen Woolfenden is a British television director.  He previously worked as a second unit director for the Harry Potter films.  He has directed other TV shows and recently the "Doctor Who" episode "Nightmare in Silver".  He has more recently worked as the second unit director on the upcoming Tarzan (2016) film.

William Phillips (director): William Phillips is a Canadian film director and screenwriter.  After graduating from the University of Toronto with a bachelor of science, Phillips studied film at Ryerson University.  Phillips then ran a film production company entitled Grandview Products and worked on the second-unit of the film "Cube".  After directing two short films, "Milkman" and "Deep Cut", Phillips wrote and directed his first feature film in 2001, "Treed Murray".  The film earned five Genie Awards nominations including Best Motion Picture.  Williams has since directed two more major Canadian films, "Foolproof" and "Gunless".

Cube (film): Cube is a 1997 Canadian science-fiction horror film directed and co-written by Vincenzo Natali.  The film was a product of the Canadian Film Centre's First Feature Project.  The film follows a group of people led by Quentin as they cross industrialized cube-shaped rooms, with some rigged with various traps designed to kill.

Evil Breed: The Legend of Samhain: Samhain, or Evil Breed: The Legend of Samhain, is a 2003 Canadian horror film, starring Bobbie Phillips, Richard Grieco, and pornographic actor legends Ginger Lynn Allen, Chasey Lain, Taylor Hayes, and Jenna Jameson.

Johnson Space Center shooting: The Johnson Space Center shooting was an incident of hostage taking that occurred on April 20, 2007 in Building 44, the Communication and Tracking Development Laboratory, at the Lyndon B. Johnson Space Center (JSC) in Houston, Texas, United States.  The gunman, William Phillips, an employee for Jacobs Engineering who worked at Building 44, shot and killed one person and took a hostage for over three hours before committing suicide.  Police said Phillips was under review for poor job performance and he feared being dismissed.

Black Mountain Side (film): Black Mountain Side is a 2014 Canadian indie Horror thriller and the first film released by the Canadian production company "A Farewell To Kings Entertainment Company".  The film centers upon a group of archaeologists who discover an ancient structure buried deep beneath the ice that dates back to 10,000 years before present day, upon the discovery plans begin to go awry, communications fail and not long after they start to feel the effects of the solitude.  It premiered on July 30, 2014 at the Fantasia International Film Festival, where it was named best horror film by the critics at Cult Montreal, stating; ""Its tension and sense of isolation were unparalleled this year; it is also reminiscent of The Thing and Lovecraft’s At the Mountains of Madness.  It squarely plants itself in the increasingly popular genre of Canadian horror films addressing the implications of global warming and the subsequent Arctic thaw.  The other honourable mentions are Eli Roth’s, The Green Inferno, and Mark Duplass’s Creep.""

The Mask (1961 film): The Mask (re-released as Eyes of Hell) is a 1961 Canadian horror film produced in 3-D by Warner Bros. It was directed by Julian Roffman, and stars Paul Stevens, Claudette Nevins, and Bill Walker.  It was shot in Toronto, Ontario and is the first Canadian horror film.

Torment (2013 film): Torment is a 2013 Canadian horror film directed by Jordan Barker.  The film had its world premiere on October 11, 2013, at the Screamfest Horror Film Festival.  It stars Katharine Isabelle as a woman who must try to save her step-son from an insane family.

Supporting paragraphs: William Phillips (director) Cube (film)
Answer: Cube