(written from a Production point of view)
James "Jim" M. Halty (born 5 December 1948; age 65) is a stuntman, stunt actor, stunt coordinator, and second unit director who served as stunt double for George Takei in Star Trek V: The Final Frontier and performed stunts in Star Trek III: The Search for Spock and Star Trek: First Contact. In Star Trek III: The Search for Spock he appeared as a San Francisco bar patron, identified by his costume which was sold off on the It's A Wrap! sale and auction on eBay. The name tag misspelled his name as Jim Holty.  His costume as Takei's stunt double was also sold off on eBay. 
Among his extensive stunt resume are films such as Little Big Man (1970, with Jeff Corey, Alan Oppenheimer, and stunts by Gary Combs, Hal Needham, and Tommy J. Huff), The Longest Yard (1974, with Ed Lauter and stunts by Frank Orsatti, Hal Needham, and Glenn R. Wilder), Audrey Rose (1977), Smokey and the Bandit II (1980, with David Huddleston, John Anderson, and stunts by Tony Brubaker, Janet Brady, Bob Minor, David Zellitti, and Billy Hank Hooker), Blade Runner (1982, with Joanna Cassidy), Leonard Part 6 (1987, with John Hostetter and stunts by Irving E. Lewis, Alan Oliney, Sharon Shaffer, and Janet Brady), Police Academy 6: City Under Siege (1989, with David Graf, Matt McCoy, Kenneth Mars, Gerrit Graham, Angelo Tiffe, Dennis Ott, Darryl Henriques, and stunts by Eugene Collier, Kenny Endoso, Tony Epper, Joy Hooper, Tommy J. Huff, Maria R. Kelly, Scott Leva, and Irving E. Lewis), Road House (1989, with Anthony De Longis and Patricia Tallman), Tango & Cash (1989, with Teri Hatcher), Predator 2 (1990, with Kevin Peter Hall), Demolition Man (1993, with Bob Gunton, Bill Cobbs, and Tracee Lee Cocco), Apollo 13 (1995), Volcano (1997), Fight Club (1999, with Matt Winston and Eugenie Bondurant), 15 Minutes (2001, with Kelsey Grammer, Avery Brooks, Kim Cattrall, and stunts by Buddy Joe Hooker), America's Sweethearts (2001, with Wendy Schenker and Alexander Enberg), Daredevil (2003), Seabiscuit (2003), and Southland Tales (2006, with The Rock, Wallace Shawn, John Larroquette, and stunts by Brian Avery, Anita Hart, John Meier, Mic Rodgers, Thom Williams, Scott Workman, and Boni Yanagisawa).
Halty has also performed stunts in television series such as Dynasty (with Joan Collins), Rescue 911, Baywatch (1992), and The Office (2007).