(written from a Production point of view)
Michael Blake Hugghins is a stuntman and stunt actor who portrayed MACO Corporal B. Scott in the Star Trek: Enterprise third season premiere episode "The Xindi" and later his mirror universe counterpart in the episode "In a Mirror, Darkly, Part II". He received no credit for his appearances. His uniform was later sold off on the It's A Wrap! sale and auction on eBay and was also worn by background actor Scott Collins. 
Hugghins is related to stuntman and stunt coordinator David Hugghins and has worked as a stunt rigger on several productions.
Between 1998 and 2005 Hugghins performed stunts in over fifty episodes of the successful television series Charmed where he was also the main stunt double for co-star Brian Krause. Other television series he has worked on are Buffy the Vampire Slayer (2001-2003), Carnivale (2003, alongside fellow Trek performers Michael John Anderson, Adrienne Barbeau, Clancy Brown, John Fleck, Diane Salinger, K Callan, Spencer Garrett, and Robert Knepper), The District (2003-2004, with series regular Roger Aaron Brown), CSI: Crime Scene Investigation (2004, with Kate Vernon and Wallace Langham), Boston Legal (2005, with series regulars William Shatner and Rene Auberjonois, and guest stars Henry Gibson and Conor O'Farrell), House, M.D. (2005, produced by Star Trek: Nemesis cameo Bryan Singer), Scrubs (2002-2006, featuring Ken Jenkins), Will & Grace (2006), CSI: Miami (2005 and 2007), Lost (2007, coordinated by Merritt Yohnka and created by J.J. Abrams), and Heroes (2007, with George Takei and stunts by Mark Aaron Wagner).
In 2005 he received a Taurus World Stunt Award for best overall stunt by a stuntman for his work in Spider-Man 2 as one of Tobey Maguire's stunt doubles. This film features also fellow Star Trek performer Kirsten Dunst, Donna Murphy, Daniel Dae Kim, Rachelle Roderick, Jill Sayre, Kelly Connell, Tim Storms and Star Trek stunt performers Jon Braver, Keith Campbell, Alex Chansky, Doug Coleman, Eliza Coleman, Mark De Alessandro, Mark Donaldson, Brennan Dyson, John Escobar, Jeremy Fry, Lisa Hoyle, Gene LeBell, Diana R. Lupo, Jimmy Ortega, Chris Palermo, Denney Pierce, Austin Priester, Nicole Randall, Katie Rowe, Michael J. Sarna, Michelle Sebek, Boni Yanagisawa, and Richard L. Blackwell. Hugghins served also as Spider-Man stunt double in the sequel Spider-Man 3 (2007, which also featured Kirsten Dunst).
Other films Hugghins performed stunts in or doubled an actor for are Corky Romano (2001), The Italian Job (2003), Cheaper by the Dozen (2003), Christmas with the Kranks (2004, which features Bonita Friedericy, Kim Rhodes, and Mark Correy), Wes Craven's Cursed (2005, with fellow stunt performers Brian Avery, Joni Avery, Alex Chansky, Danny Downey, Paul Eliopoulos, Anita Hart, Buck McDancer, Angela Meryl, and Boni Yanagisawa), Bewitched (2005), Poseidon (2006), Little Miss Sunshine (2006), Clint Eastwood's Academy Award winning Letters from Iwo Jima (2006), Transformers (2007), the action sequel John Rambo (2008), and the comic adaptation Iron Man (2008, with Bill Smitrovich and Faran Tahir).