Rond 1860 wordt in de V.S. de Union Pacific Railroad, van het Oosten tot Californië, aangelegd. Jeff Butler heeft als taak het project te organiseren, maar hij krijgt al snel te maken met een politiek kartel dat de spoorweg tracht te vernietigen. Bovendien loopt Butler's beste vriend over naar de vijand.
Nee, helaas is Union Pacific nog niet beschikbaar op Netflix in Nederland.
| Directing | Cecil B. DeMille | Director |
| Writing | C. Gardner Sullivan | Screenplay |
| Writing | Walter DeLeon | Screenplay |
| Writing | Jesse Lasky Jr. | Screenplay |
| Production | Cecil B. DeMille | Producer |
| Sound | Gerard Carbonara | Original Music Composer |
| Sound | Leo Shuken | Original Music Composer |
| Sound | John Leipold | Original Music Composer |
| Editing | Anne Bauchens | Editor |
| Production | William H. Pine | Associate Producer |
| Costume & Make-Up | Natalie Visart | Costume Design |
| Art | Hans Dreier | Art Direction |
| Sound | Victor Young | Original Music Composer |
| Art | Roland Anderson | Art Direction |
| Production | William LeBaron | Executive Producer |
| Camera | Victor Milner | Director of Photography |
| Sound | Sigmund Krumgold | Original Music Composer |
| Directing | Arthur Rosson | Second Unit Director |
| Crew | Gordon Jennings | Special Effects |
| Writing | Jack Cunningham | Adaptation |
| Writing | Ernest Haycox | Story |
| Visual Effects | Farciot Edouart | Visual Effects |
| Visual Effects | Dewey Wrigley | Visual Effects |
| Sound | John Cope | Sound Recordist |
| Art | A. E. Freudeman | Set Decoration |
| Crew | Edwin Maxwell | Dialogue Coach |
| Sound | Harry Lindgren | Sound Recordist |
| Sound | Loren L. Ryder | Sound Re-Recording Mixer |