(written from a Production point of view)
David McCoy Barrett is a television director, writer, and producer who directed the Star Trek: Enterprise episode "Divergence", and the Star Trek: Discovery episodes "Magic to Make the Sanest Man Go Mad" and "Saints of Imperfection".
Barrett's other directorial credits include episodes of Pacific Blue, Without a Trace, The O.C., Smallville, and UPN's Veronica Mars. He has been primarily involved with the CBS series Cold Case, directing episodes of that show since 2004. In addition, Barrett co-created a series for the WB called The Mountain. He also served as a producer on the series E-Ring, for which he has written, as well. He has worked on films, as well, serving as second unit director for 1999's Stigmata, 2003's Final Destination 2, and 2005's The Fog, among others.