Question: What is the nickname of the football player that co-starred in the Canadian film "Phase IV"?

Context paragraphs:
Caroline Cave: Caroline Cave is a Canadian film, television and stage actor, known for her roles in the films "This Beautiful City", "One Week", "The War Bride" and "Saw VI", and the television series "Cra$h & Burn".  She has also had guest roles in "The L Word", "Haven", "Stargate Atlantis", "Kevin Hill", "The Associates", "Dirk Gently's Holistic Detective Agency", and "Die neue Prophezeiung der Maya (End of the World) 2013.  She recently co-starred in the 2015 Lifetime TV movie Accidental Obsession.

Tom Brown (guard): Tom Brown (born December 5, 1936) is a former professional Canadian football player, and a former outstanding American college football player.  He played collegiately at the University of Minnesota, and won the Outland Trophy in 1960 as the nation's best lineman.  He played professional football with the BC Lions of the Canadian Football League, and was made a member of the Canadian Football Hall of Fame in 1984.  Brown was inducted into College Football Hall of Fame in 2003.

Frank Chiesurin: Frank Chiesurin (born November 26 in Montreal, Quebec) is a Canadian film and television actor.  Best known for his recurring role as the partner of a closeted gay football player in the drama series "Playmakers", he has also had roles in a variety of American and Canadian productions, including the films "", "The Prize Winner of Defiance, Ohio", "Lie with Me", "Suits" and "Cake" and the television series "Big Wolf on Campus", "Un gars, une fille", "Doc", "Largo Winch", "Météo+", "Les Bleus de Ramville" and "The Latest Buzz".

Degrassi Goes Hollywood: Paradise City: Degrassi Goes Hollywood is a 2009 Canadian film adaptation of the popular, long-running teenage drama "".  The movie premiered in the United States on The N on 14 August 2009, and in Canada on CTV on 30 August 2009.  It was directed by veteran Degrassi actor-director, Stefan Brogren.  "Degrassi Goes Hollywood" is the first feature-length movie of the "Next Generation" cast, and the second feature-length film in the Degrassi franchise, the first being 1992's "School's Out" in which Brogren co-starred.  "Degrassi Goes Hollywood" is the first in-continuity Degrassi production recorded and/or set principally outside of Canada.  For syndication purposes, the film has been shown as a four-part episode titled "Paradise City".

Brian Bosworth: Brian Keith Bosworth (born March 9, 1965), nicknamed "The Boz," is a former American professional football player who played as a linebacker for the Seattle Seahawks in the National Football League (NFL).  Bosworth played college football for the University of Oklahoma, and was a two-time consensus All-American.  He gained fame and notoriety through his flamboyant personality, controversial comments about the National Collegiate Athletic Association (NCAA) and radical hair cuts.  Bosworth was less successful in the NFL and injuries forced him to retire after three seasons.

Phase IV (2002 film): Phase IV is a 2002 Canadian direct-to-video film, starring Dean Cain and Brian Bosworth.  It was directed by Bryan Goeres.

The Creeping Garden: The Creeping Garden is a 2014 British documentary film featuring various kinds of slime molds.  The film uses retro cinematography and electronic music to enhance a connection between slime molds and sci-fi films such as "Phase IV", "Invasion of the Body Snatchers", and "The Blob".

Meaghan Rath: Meaghan Rath (born June 18, 1986) is a Canadian film and television actress.  She is best known for starring as Sally Malik in the Syfy series "Being Human".  She also co-starred in the television series "15/Love" and "The Assistants".

Phase IV: Phase IV is a 1974 British-American science fiction horror film.  The only feature-length film directed by graphic designer and filmmaker Saul Bass, it stars Michael Murphy, Nigel Davenport and Lynne Frederick.

Lui Passaglia: Lui Passaglia (born June 7, 1954) is a former professional Canadian football player.  Passaglia was the placekicker/punter for the BC Lions of the Canadian Football League for a record-breaking 25 years (1976–2000) and scored more points in that time than any professional gridiron football player in history.  He is a member of the [Canadian Sports Hall Fame, [Canadian Football Hall of Fame]], the British Columbia Sports Hall of Fame, and the BC Lions Wall of Fame.  Passaglia's #5 jersey is one of nine numbers retired by the Lions.  In 2003, Passaglia was voted a member of the BC Lions All-Time Dream Team as part of the club’s 50 year anniversary celebration.  In 2006, Passaglia was voted one of the CFL's Top 50 players (#30) of the league's modern era by Canadian sports network TSN.

Supporting paragraphs: Phase IV (2002 film) Brian Bosworth
Answer: The Boz