Railroad detectives Matt Clark and Frankie Adams, with the aid of much stock footage from earlier Republic Pictures films, pursue the vengeful James brothers, Frank and Jesse, who declare war on the law after their young half-brother is killed in a police ambush.
| Name | Type | Role | |
|---|---|---|---|
| Maurice Tombragel | Writer | ||
| Cactus Mack | Guest Star | ||
| Richard Travis | Guest Star | ||
| Rand Brooks | Guest Star | ||
| Lee Van Cleef | Guest Star | ||
| Jerry Brown | Guest Star | ||
| Dale Van Sickel | Guest Star | ||
| Russell Custer | Guest Star | ||
| Tyler MacDuff | Guest Star | ||
| William Witney | Director |