A train that is carrying the formula for a valuable form of granulated gasoline disappears before it reaches its destination. Railroad investigators and the authorities try to determine where it is and who took it.
Unfortunately the movie The Lost Express is not yet available on HBO Max.
| Directing | J.P. McGowan | Director |
| Writing | Frederick Bennett | Writer |
| Writing | J.P. McGowan | Writer |
| Production | J.P. McGowan | Producer |
| Camera | S.A. Sues | Director of Photography |
| Directing | Virgil Hart | Assistant Director |
| Production | Samuel S. Hutchinson | Producer |
