Bonner leads a surveying team to lay out the boundary between Colorado and New Mexico, but he has to deal with the opposition of both a powerful rancher and a widowed homesteader and her young son.
| Name | Type | Role | |
|---|---|---|---|
| Arnold Belgard | Writer | ||
| Jeff Baker | Guest Star | ||
| Johnny Crawford | Guest Star | ||
| Jeanne Bates | Guest Star | ||
| Ewing Mitchell | Guest Star | ||
| Robert Anderson | Guest Star | ||
| John Litel | Guest Star | ||
| Edward Ludwig | Director |