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.

• United Artists
• Jerry Gershwin Productions
• Charles Bronson
• Ben Johnson
• Richard Crenna
• Jill Ireland
• Charles Durning
• Ed Lauter
• Bill McKinney
• David Huddleston