(written from a Production point of view)
Sargeant was among the stunt crew which received a Screen Actors Guild Awards nomination for Outstanding Performance by a Stunt Ensemble in a Motion Picture for Pirates of the Caribbean: At World's End. Among the stunt crew were also Star Trek stunt performers Joey Anaya, Tony Angelotti, Noby Arden, Dan Barringer, Richard L. Blackwell, Keith Campbell, Jay Caputo, Alex Chansky, Fernando Chien, Shawn Crowder, Phil Culotta, Mark De Alessandro, John Dixon, J. Mark Donaldson, Jayson Dumenigo, Thomas DuPont, Paul Eliopoulos, Jeremy Fry, Mickey Giacomazzi, Erica Grace, Charles Grisham, Lisa Hoyle, Yoshio Iizuka, Keii Johnston, Theo Kypri, Christopher Leps, James Lew, Kurt D. Lott, Rob Mars, Angela Meryl, Tom Morga, Marty Murray, Hugh Aodh O'Brien, Lin Oeding, Jim Palmer, Denney Pierce, J.P. Romano, Bill M. Ryusaki, Lincoln Simonds, Gary Ray Stearns, Trampas Thompson, Xuyen Valdivia, Mike Watson, Webster Whinery, Webster Whinery, Jr., Brian J. Williams, and Jeff Wolfe.
Sargeant has started his stunt career in the '90s and performed in feature films such as the science fiction comedy Space Invaders (1990, under stunt coordinator Spiro Razatos), Paul Verhoeven's science fiction film Total Recall (1990), Steven Spielberg's fantasy film Hook (1991), the science fiction film Cyborg 2 (1993, with Karen Sheperd and Tracey Walter), the comic adaptation Batman & Robin (1997, with John Glover), the science fiction sequel Alien: Resurrection (1997, starring Winona Ryder, Ron Perlman, and with Brad Dourif and Leland Orser), and the blockbuster remake Godzilla (1998), as well as in the television series Nash Bridges and Buffy the Vampire Slayer.
He served as stunt coordinator for the 1998 television movie Casino Reef and doubled actor Jared Leto in the 2002 drama Highway, with Mark Rolston, Craig Baxley, Jr., Thom Williams, Randy Mulkey, and further stunts by Christopher Doyle. Sargeant also performed stunts in the science fiction sequel Timecop: The Berlin Decision (2003, along Dennis Madalone, Vince Deadrick, Sr., and Jeff Pruitt), Peter Weir's adventure movie Master and Commander: The Far Side of the World (2003), the horror comedy The Haunted Mansion (2003, with Wallace Shawn), the fantasy sequel The Crow: Wicked Prayer (2003, with stunts by Jane Austin and Oliver Keller), Steven Spielberg's science fiction remake War of the Worlds (2005), and the television series Cold Case (2005) and The Shield (2006, starring Michael Jace and Benito Martinez).
More recently, he performed stunts in the television series Life (2007, along Gregory J. Barnett, Leigh Hennessy, Tom McComas, and Manny Perry) and Ghost Whisperer (2007) and served as stunt double in the thriller Disturbia (2007) and the action comedy Get Smart (2008, with The Rock and Ivy Bethune).