Picturization of the trail breaking expedition of Capt. John C. Fremont in 1849 to the California gold fields.
| Actor | Role |
|---|---|
 Art AcordArthur Standish / The Mysterious Spaniard | Arthur Standish / The Mysterious Spaniard |
 Myrtle LindBetty Edwards | Betty Edwards |
 Burton LawJohn C. Fremont | John C. Fremont |
| JJ. Herbert FrankSquire Blair | Squire Blair |
| BBurton S. WilsonDr. Edwards | Dr. Edwards |
 Jim CoreyGodney | Godney |
| SScott PembrokeLouis Blair | Louis Blair |
 Bob KortmanSioux Warrior (uncredited) | Sioux Warrior (uncredited) |