(written from a Production point of view)
Michael "Mike" O'Halloran is an editor who worked as assistant editor on all four seasons of Star Trek: Enterprise. He previously worked as an assistant to the producers on Star Trek: Voyager. O'Halloran was among the production staff members, stand-ins, and regular background performers who appeared in the ceremony scene in the fourth season episode "These Are the Voyages...", portraying an ensign. He was also interviewed for the 2004 documentary Trekkies 2.
As editor, O'Halloran worked on the short drama Eviction (2004, with Dan Curry, Armin Shimerman, and editor Harry Jierjian), the webseries Battlestar Galactica: The Resistance (2006) and Battlestar Galactica: The Face of the Enemy (2008), and Ronald D. Moore's science fiction series Battlestar Galactica (2006-2009, with producers David Weddle and Bradley Thompson). In 2009 he received an Emmy Award nomination for Outstanding Single Camera Picture Editing for a Drama Series for the Battlestar Galactica episode "Daybreak, Part II", shared with fellow editors Andrew Seklir and Julius Ramsay. Also in 2009 he was interviewed for the Battlestar Galactica DVD special Evolution of a Cue along with Ronald D. Moore.
More recently, O'Halloran worked as editor on the television science fiction thriller Virtuality (2009, written and produced by former Trek alumni Michael Taylor and Ronald D. Moore, produced by Steve Oster, Maril Davis, and Dawn Velazquez, and along with concept illustrator John Eaves, digital effects supervisor Doug Drexler, visual effects supervisor Gary Hutzel, visual effects senior coordinator David Takemura, and digital artist Pierre Drolet) and on the war drama Red Tails (2010).