Newly-released video shows the terrifying final seconds before a freight train slammed into the film crew of a Gregg Allman biopic last year, killing a 27-year-old camera assistant. Midnight Rider's director, Randall Miller, was sentenced to two years in prison on Monday after pleading guilty to involuntary manslaughter.

Midnight Rider director Randall Miller pleaded guilty to involuntary manslaughter Monday, ensuring he'll serve time for an illegal train tracks shoot that left one camera assistant dead.

Cast and crew members on the set of Midnight Rider were still scrambling off the tracks seconds before a freight train struck and killed a second camera assistant, video released by the railroad shows.