(written from a Production point of view)
Jim "Jimmy" Hart (born 14 March 1969; age 51) is a stuntman and stunt actor who performed stunts in episodes of Star Trek: Deep Space Nine and Star Trek: Voyager. His costumes from the episodes "Blood Fever" and "Trials and Tribble-ations" were later sold off on the It's A Wrap! sale and auction on eBay.   
Hart is a two time nominee of a Taurus World Stunt Award. He received his first nomination for best specialty stunt for the opening sequence in Swordfish in 2002 alongside fellow Star Trek stunt performers Darrin Prescott, Chris Palermo, Jay Caputo, Tim Rigby, and Frank Lloyd and his second nomination in 2003 for best overall stunt by a stuntman for an action sequence in the sequel Blade 2.
Hart has also performed stunts in several films such as Batman Forever (1995, with Rene Auberjonois and stunts by Anita Hart, Jennifer Caputo, and Diamond Farnsworth), Wild Wild West (1999, with Musetta Vander), the sequel The Flintstones in Viva Rock Vegas (2000, with Joan Collins, Kevin Grevioux, Scott L. Schwartz, and stunts by Elle Alexander, Mark Chadwick, Leslie Hoffman, Monica Staggs, and Spice Williams-Crosby), Michael Bay's blockbuster Pearl Harbor (2001), the action film Cradle 2 the Grave (2003, with Gabrielle Union and Michael Jace), Steven Spielberg's The Terminal (2004, with Jude Ciccolella), The Island (2005, with Ethan Phillips and Noa Tishby, and stunts by Stacey Carino, Doug Coleman, Bridgett Riley, Denney Pierce, Christopher Leps, and Spice Williams-Crosby), Poseidon and The Good German (both 2006), the sequel Spider-Man 3 (2007, with Kirsten Dunst and James Cromwell), Rush Hour 3 (2007), and Steven Spielberg's Indiana Jones and the Kingdom of the Crystal Skull (2008, with stunts by Jon Braver, Kevin Derr, Shauna Duggins, Ian Eyre, and Jeremy Fry).
He has also performed in television series such as Team Knight Rider (with regular John Kassir and stunts by Kane Hodder, Tom Morga, and Spiro Razatos), J.J. Abrams' Alias (coordinated by Shauna Duggins), Medium, The O.C. (2006, episode The Secrets and Lies, with regulars Melinda Clarke and Michael Nouri), Criminal Minds (2006, episode The Last Word, with Maury Sterling), and Cold Case (2006, episode Sandhogs, with Mike Genovese).