Casey Jones and the Cannonball Express must race a train from the Southern and Panhandle Railroad to win the contract to carry the mail from St Louis to Fort Worth. When their attempt to bribe Casey fails, the crew of the 'Swamp Tiger' resort to sabotage in order to win the race.
| Name | Type | Role | |
|---|---|---|---|
| Stephen Longstreet | Writer | ||
| Mort Mills | Guest Star | ||
| Norman Leavitt | Guest Star | ||
| Sidney Salkow | Director |