Gary Jensen is a stuntman, stunt actor, stunt coordinator and second unit director who worked as assistant stunt coordinator for Dennis Madalone on episodes of Star Trek: The Next Generation. Jensen was the stunt coordinator for X-Men (2000) and X2 (2003) on which he worked with Patrick Stewart, Famke Janssen, Rebecca Romijn, Bruce Davison, and director Bryan Singer. Jensen is related to fellow stuntmen Ben Jensen and Ethan Jensen.
Jensen started to work in the entertainment industry in the late 1970s with stunt acting work on the television series The Quest (1976, with Ned Romero, John Anderson, Mariette Hartley, Eric Server, Jorge Cervera, Jr., Evelyn Guerrero, stunt coordinator Gary Combs, and director Corey Allen) and B.J. and the Bear (1978-1981) on which he also worked as second unit director. In the 1980s he performed stunts in Motel Hell (1980, with Richard E. Butler, Bill Catching, Laurie Creach, Leslie Hoffman, and Sharon Schaffer), Tron (1982, with Gary Epper, Donna Garrett, Al Jones, and Glenn R. Wilder), The Beastmaster (1982), Timerider: The Adventure of Lyle Swann (1982, with Bill Catching and Harry Wowchuck), Hellhole (1985), Eye of the Tiger (1986, with Jim Wilkey, Bernie Pock, Gene LeBell, Steve Kelso, Eddie Hice, Shane Dixon, Nick Dimitri, and Tony Brubaker), Hell Comes to Frogtown (1988, with John Gillespie, Alan Marcus, and Cherie Tash), Defense Play (1988), Blind Fury (1989), and Shocker (1989, with Charlie Brewer, Tony Cecere, Greg Gault, Dennis Madalone, Charlie Skeen, Patricia Tallman, and Tim Trella).
His work as stunt coordinator include FM (1978), Independence Day (1983), Nightmares (1983, with Dennis Madalone and Steve Kelso), Space (1985), The Return of the Living Dead (1985), Evil Dead II (1987), Miracle Mile (1988, with Denise Crosby, Eugene Collier, John Gillespie, Ben Jensen, Kim Robert Koscki, Ken Lesco, Dennis Madalone, Paula Moody, and Lincoln Simonds), Chrome Hearts (1989), and Stepfather II (1989, with Terry O'Quinn and Meg Foster).
In 1989 he started to work as stunt coordinator on fourteen television specials of Perry Mason until 1994. Further credits as stunt coordinator include Tremors (1990, with George Colucci, John Gillespie, Ben and Ethan Jensen, Jeff Imada, and Al Simon), The Grifters (1990), Diplomatic Immunity (1991), Mannequin Two: On the Move (1991), Hero (1992), Super Mario Bros. (1993), The Usual Suspects (1995, directed by Bryan Singer), McHale's Navy (1997), Apt Pupil (1998, directed by Bryan Singer and with Dustin Courtney, Ben Jensen, Lane Leavitt, and Kenny Bates), Dogma (1999), Jay and Silent Bob Strike Back (2001), Clerks II (2006), and Zack and Miri Make a Porno (2008).
Jensen occasionally worked as stuntman on Young Guns II (1990), Little Man Tate (1991), Mom and Dad Save the World (1992, with Christine Anne Baur, Chuck Borden, George Colucci, Chuck Courtney, B.J. Davis, Chris Doyle, Rosine "Ace" Hatem, Dan Koko, Gene LeBell, Ken Lesco, Irving Lewis, Dennis Madalone, Tom Morga, John Nowak, Frank Orsatti, Lynn Salvatori, Lincoln Simonds, and Tim Trella), The River Wild (1994), Inherit the Wind (1999), The Hollow (2004), Mrs. Harris (2005), and Due Date (2010).
More recently, Jensen worked as stunt coordinator on United States of Tara (2009-2011), Red State (2011, with Laurie Creach, Derek Graf, Ben Jensen, Ethan Jensen, and John Stoneham, Jr.), Mockingbird Lane (2012, with Laurie Creach, Ben Jensen, and Jade Quon), and the drama South Dakota (2013, with Laurie Creach).