On a train trip to a celebration of the completion of the transcontinental railroad, Yancy discovers a saboteur.
| Name | Type | Role | |
|---|---|---|---|
| Coles Trapnell | Writer | ||
| Richard Sale | Writer | ||
| John Larch | Guest Star | ||
| Don Brodie | Guest Star | ||
| Robert McQueeney | Guest Star | ||
| Rita Lynn | Guest Star | ||
| John Damler | Guest Star | ||
| Kelly Thordsen | Guest Star | ||
| Jim Davis | Guest Star | ||
| Mickey Morton | Guest Star | ||
| Lee Kendall | Guest Star | ||
| Robert Nash | Guest Star | ||
| Richard Sale | Director |