Question: Which actor starred in 2016 thriller I.T. and was a friend to Beau St. Clair?

Context paragraphs:
St. Clair, Michigan: St. Clair is a city in St. Clair County in the eastern "Thumb" of the U.S. state of Michigan.  The population was 5,485 at the 2010 census.  The city is located on the St. Clair River near the southeast corner of St. Clair Township.

Belle River Power Plant: Belle River Power Plant is a major coal- and natural gas-fired power plant owned by Detroit Edison, a subsidiary of DTE Energy.  It is located in St. Clair County, Michigan, on the peninsula formed by the St. Clair and Belle rivers.  The plant was built across M-29 from the St. Clair Power Plant in East China, Michigan, and shares the coal delivery terminal with it.  The Belle River plant shares cooling water from the St. Clair River with its sister plant.  Five oil-fueled internal combustion generators (named IC1, IC2, 3, 4, and 5) were built in 1981, with the total output 13.75 megawatt.  Coal-fired unit 1 of the Belle River plant was completed in 1984, followed by a similar unit 2 in 1985.  Each unit has a nameplate capacity of 697.5 MWe, however the coal-fired plant as a whole generates 1260 MWe all year around.  In 1999, three peaker natural-gas fired turbines (named 12-1, 12-2, and 13-1) were added, with the total name-plate capacity of 256 MWe.

Chip St. Clair: Chip Anthony St. Clair (born August 1, 1975) is an American author and motivational speaker, best known for his inspirational memoir, "The Butterfly Garden: Surviving Childhood on the Run with one of America's Most Wanted".  St. Clair's story has been featured on "Dateline" and "Good Morning America" among others.  In 2004, St. Clair worked with legislators and helped to create and pass the "Identity Theft Protection Act" in Michigan.  In 2005, he received a U.S. Congressional Record on behalf of his child advocacy work.  Prior to founding his own organization, St. Clair was Regional Director of the Michigan chapter of Justice for Children, where he made tremendous strides in aiding children caught up in the nation’s distressed child welfare system.  He created legislative initiatives, community awareness programs, and internship programs that still resonate among victims, survivors, and key stakeholders in the child welfare community.  His direct involvement in the chapter’s casework played a substantial role in the apprehension of two known child predators whose brutality toward children grabbed national headlines.

St. Clair Power Plant: The Saint Clair Power Plant is a major coal- and oil-fired power plant owned by Detroit Edison, a subsidiary of DTE Energy.  It is located in St. Clair County, Michigan, on the west bank of St. Clair River.  The plant is across M-29 from the newer Belle River Power Plant in East China, Michigan.  The first four units of St. Clair were built in 1953–1954.  Since then, three more generating units have been added to the plant.  The St. Clair Power Plant generates 1982 megawatts in total.  It is Detroit Edison's second largest power producer.  The power plant has a large impact on the local economy, employing about 300 workers.

I.T. (film): I.T. is a 2016 thriller film directed by John Moore and written by Dan Kay and William Wisher.  It stars Pierce Brosnan, James Frecheville, Anna Friel, Stefanie Scott and Michael Nyqvist and was produced by David T. Friendly and Beau St. Clair, who was Brosnan's producing partner at the production company Irish DreamTime before her death.  The film was released on September 23, 2016, with a limited release and on video on demand.

St. Clair Shores Fighting Saints: The St. Clair Shores Fighting Saints were a minor professional ice hockey team in the Federal Hockey League that began play in the 2016–17 season based in St. Clair Shores, Michigan.  The Fighting Saints played their home games at the St. Clair Shores Civic Arena during their first season.  In their second season, they relocated to Kingsville, Ontario, as the North Shore Knights and played home games in several other cities in Ontario and Quebec.

Beau St. Clair: Beau Marie St. Clair (c. 1952 – January 9, 2016) was an American film producer.  In 1996, St. Clair, together with her friend and producing partner, actor Pierce Brosnan, established Irish DreamTime, a production company whose credits include "The Thomas Crown Affair" (1999), "Evelyn" (2002), "Laws of Attraction" (2004), "The Matador" (2005), "The November Man" (2014), and "I.T." (2016).

Saint Clair Area School District: The St. Clair Area School District is a diminutive, suburban public school district in Schuylkill County, Pennsylvania.  Centered on the borough of St. Clair, it also encompasses the boroughs of Middleport and New Philadelphia, plus the townships of Blythe Township, New Castle Township, and East Norwegian Township.  The district is one of the 500 public school districts of Pennsylvania.  Saint Clair Area School District encompasses approximately 48 sqmi .  According to 2000 federal census data, it served a resident population of 7,020.  By 2010, the US Census Bureau reported that the district's resident population declined to 6,695 people.  The educational attainment levels for the St. Clair Area School District population (25 years old and over) were 82.6% high school graduates and 9.8% college graduates.

Irish DreamTime: Irish DreamTime is a production company founded by actor Pierce Brosnan and his partner Beau St. Clair.

Lake St. Clair Metropark: Lake St. Clair Metropark/Metro Beach Metropark is a 770-acre unit of the Huron-Clinton Metroparks system located roughly 20 miles (32 km) northeast of downtown Detroit, Michigan in Harrison Township, Macomb County.  Lake St. Clair Metropark has been in existence since 1950 and has seen many changes since then.  Originally named St. Clair Metropolitan Beach, it was renamed in 1953 to Metropolitan Beach Metropark and later shortened to Metro Beach Metropark.  On December 8, 2011, the Board of Commissioners for the Huron-Clinton Metroparks approved changing the name to Lake St. Clair Metropark.  The park is located at Jefferson Avenue and Metropolitan Parkway (16 Mile Road) and there are signs to Lake St. Clair Metropark on Interstate 94 (I-94).

Supporting paragraphs: Beau St. Clair I.T. (film)
Answer: Pierce Brosnan