A lady reporter and two college students search for the "Gold Special," a train that disappeared without a trace.
| Actor | Role |
|---|---|
 Frank AlbertsonTom Hood | Tom Hood |
 Ernie NeversBob Collins | Bob Collins |
 Cecilia ParkerBetty Moore | Betty Moore |
 Francis FordBotter Hood | Botter Hood |
 J. Frank GlendonSam Slater | Sam Slater |
 Frank BealHorace Moore | Horace Moore |
| CCaryl LincolnKate Bland | Kate Bland |
 Tom LondonDirk / Detective Dane | Dirk / Detective Dane |
 Al FergusonGavin | Gavin |
 Jack Rube CliffordDoran | Doran |
 Edmund CobbSpike | Spike |
 Joe BonomoJoe | Joe |
 George MagrillLefty | Lefty |
| HHarold NelsonProf. Wilson | Prof. Wilson |
| GGeorge DeNormandHenchman | Henchman |
 William GouldSteele [Ch. 1] | Steele [Ch. 1] |
| RReb RussellOne of Bob's College Pals | One of Bob's College Pals |
 Larry SteersMaitre d', Red Lantern Cafe [Ch. 3] | Maitre d', Red Lantern Cafe [Ch. 3] |
 Harry StrangEddie, Waiter at Red Lantern Cafe [Ch. 3] | Eddie, Waiter at Red Lantern Cafe [Ch. 3] |