(written from a Production point of view)
Bonnie Morgan is an actress, stuntwoman, and contortionist who appeared as the Crepusculan in the Star Trek: Discovery pilot episode "The Vulcan Hello" in 2017. She is the daughter of stuntman Gary Morgan.
She is probably best known for her work on the horror films The Ring Two (2005) and the sequel Rings (2017). In the first film she doubled Kelly Stables well-crawling moves and in the latter film she took over the role and performed the crawling moves.   
Morgan was raised by her father as part of a circus family. Acrobatics and smaller stunts were part of her life from the early days on. This also led to guest roles in episodes of Lenny (1990, with Eugene Roche), Quantum Leap (1992, with Scott Bakula, Dean Stockwell, John Anderson, and Kenneth Tigar), Blossom (1992, with Paul Eiding and Tony Plana), The Nanny (1994, with Daniel Davis and Jay Robinson), Sister, Sister (1996), Dr. Quinn, Medicine Woman (1996, with Joe Lando, Chad Allen, Barbara Babcock, Geoffrey Blake, Frank Collison, Olaf Pooley, and Hélène Udy), and Step by Step (1996, with Jason Marsden). She also appeared in the 1994 family adventure The Magic of the Golden Bear: Goldy III with Kevin Brophy.
Due to her abilities as contortionist and the stunt training by her father, Morgan performed stunts in the horror sequel The Rage: Carrie 2 (1999, starring Emily Bergl and with stunts by Leigh Hennessy), the sport drama Friday Night Lights (2004, stunt coordination by Allan Graf), the action comedy Man of the House (2005, with stunts by Johnny Martin and Oliver Keller), the action drama Poseidon (2006), the superhero comedy Zoom (2006, with Scott Leva), the action sequel Rush Hour 3 (2007), the science fiction thriller The Invasion (2007), and the sequel Hellboy II: The Golden Army (2008, starring Ron Perlman and Doug Jones), as well as in episodes of Angel (2001, coordinated by Ted Barba and with Mike Massa, Jennifer Caputo, and Kevin Derr), Grounded for Life (2004), LAX (2004), ER (2005, with Brian Avery, Eddie Conna, Danny Downey, and Jay Caputo), and in several episodes of Unfabulous (2004-2005).
She doubled actress Rachel Hurd-Wood in the fantasy adventure Peter Pan (2003, with Brian J. Williams, Tanner Gill, and Alex Daniels) and Erin Sanders in episodes of Zoey 101 (2005-2006, coordinated by Vince Deadrick, Jr.) and was featured in the fantasy film How the Grinch Stole Christmas (2000), the comedy Bubble Boy (2001, with Brian George, Anita Hart, Faith Minton, and Katie Rowe), the comedy Van Wilder (2002, with Megan Gallagher, Mark Chaet, and Gregg Daniel), the science fiction thriller Minority Report (2002, with Neal McDonough, Patrick Kilpatrick, Keith Campbell, Caroline Lagerfelt, Katy Boyer, and Baron Jay, and in the television series Providence (2002), Passions (2003-2004, with McKenzie Westmore, Bruce French, and Elle Alexander), All That (2005), Mind of Mencia (2008, with Sufe Bradshaw), Terminator: The Sarah Connor Chronicles (2008, with Thomas Dekker and coordinated by Joel Kramer), Castle (2010, with Deborah Strang and coordinated by Dennis Madalone), Shameless (2011, with Biff Yeager), It's Always Sunny in Philadelphia (2012), Criminal Minds (2012-2013, with Brad Dourif and Sean Whalen), and CSI: Crime Scene Investigation (2013, with Wallace Langham).
Morgan performed stunts in the horror thriller The Invited (2010, with Chuck Borden, Henry Kingi, Jr., and Cassandra McCormick), the family movie The Muppets (2011, stunt coordination by Allan Graf), and in the fantasy comedy The Incredible Burt Wonderstone (2013, with Eddie Braun, Sandra Lee Gimpel, and Peewee Piemonte) and appeared in the horror thriller Piranha 3D (2010, with Christopher Lloyd, Dina Meyer, and Nicole Randall), the remake Fright Night (2011, with Anton Yelchin, Chris Sarandon, and Monika Spruch), the horror film The Devil Inside (2012), the horror film Fear Clinic (2014, with Thomas Dekker and stunt coordination by Bobby C. King), and the fantasy film The Last Witch Hunter (2015).
MOre recently, she portrayed the grandmother in the horror thriller Bedeviled (2016, with Billy Mayo and stunt coordination by her father) and appeared in episodes of Blunt Talk (2015-2016, with Patrick Stewart, Brent Spiner, Golden Brooks, and Tim Storms), Fameless (2017, with Gary Kasper, Hiram A. Murray, and Dan Sachoff), and Hap and Leonard (2017).