At the height of the frontier era, a train races through the Rocky Mountains on a classified mission to a remote army post. But one by one the passengers are being murdered, and their only hope is the mysterious John Deakin, who's being transported to face trial for murder.

Charles Bronsonas John Deakin
Ben Johnsonas Deputy U.S. Marshal Nathan Pearce
Richard Crennaas Gov. Richard Fairchild
Jill Irelandas Marica Scoville
Charles Durningas Frank O'Brien
Ed Lauteras Major Claremont
Bill McKinneyas Reverend Peabody
David Huddlestonas Dr. Molyneux
Rayford Barnesas Sgt. Bellew
Scott Newmanas Rafferty
Lucien Ballard