Gilliard was on a railroad trestle over the Altamaha River, in Wayne County, Georgia, with College of Charleston graduate Sarah Jones and several others on Feb. 20, 2014. Suddenly, according to published reports, a freight train traveling at approximately 55 mph roared onto the tracks.
Jones, 27, who was working as a camera assistant on the film, was killed. Gilliard suffered a severe injury to her left arm.
The incident sparked a national conversation about movie shoot safety.
Last month, Gilliard said she is still working to heal emotionally and physically. She has not been able to return to work full-time since her injury.
Randall Miller, Jody Savin and Jay Sedrish had all pleaded not guilty to charges of involuntary manslaughter and criminal trespassing prior to Monday's proceedings. Miller and Savin are the owners of Unclaimed Freight Productions which was filming Midnight Rider. Sedrish was the Executive Producer for the film.
Assistant director Hilary Schwartz also faces the same charges, but she she will stand trial separately from her three bosses.
The crew was attempting to film a dream sequence on the tracks for the movie at the time of the accident. Seven other crew members were injured.
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