| Person | Type | Job | Role(s) |
|---|---|---|---|
 Barney A. Sarecky | Crew | Writing | Screenplay |
Franklin Adreon | Crew | Writing | Screenplay |
John English | Crew | Directing | Director |
Joseph F. Poland | Crew | Writing | Screenplay |
Norman S. Hall | Crew | Writing | Screenplay |
Sol Shor | Crew | Writing | Screenplay |
 William Witney | Crew | Directing | Director |
 Al Taylor | Cast | Actor | Henchman Red |
 Al Thompson | Cast | Actor | Paralytic #4 |
Alan Gregg | Cast | Actor | Mills |
 Allan Lane | Cast | Actor | Dave King |
Bill Wilkus | Cast | Bill - Sanitarium Heavy | |
Bob Jamison | Cast | Pete | |
 Bryant Washburn | Cast | Actor | Matt Crandall |
 Bud Geary | Cast | Actor | Klondike |
 Budd Buster | Cast | Actor | Vinegar Smith |
Charles Thomas | Cast | Henchman Bayliss | |
Curley Dresden | Cast | Kelly - Miner | |
Cy Slocum | Cast | Actor | Sanitarium Heavy |
 Dale Van Sickel | Cast | Actor | Gang Radioman |
Denny Sullivan | Cast | Paralytic #1 | |
 Dick Simmons | Cast | Actor | Const. Carter |
Douglas Evans | Cast | Actor | Sergeant - Wireless Operator |
Duke Taylor | Cast | Smelter Heavy #1 | |
Earle D. Bunn | Cast | Joe - Smelter Truck Driver | |
Frank Wayne | Cast | Actor | Brant - Speedboat Driver-Thug |
 George DeNormand | Cast | Actor | Fake Inspector Kent |
George Plues | Cast | Actor | Train Brakeman |
 Harry Cording | Cast | Actor | Wade Garson |
 Herbert Rawlinson | Cast | Actor | Ross King |
James Fawcett | Cast | Smelter Heavy #2 | |
 John Bagni | Cast | Higgins, Cabin Henchman | |
 John Davidson | Cast | Actor | Shelton |
 John Dilson | Cast | Actor | Wall |
Ken Terrell | Cast | Actor | Henchman Al |
Lita Conway | Cast | Linda Merritt | |
Loren Riebe | Cast | Fake Inspector Dinwoodie | |
 Lucien Prival | Cast | Actor | Johnson |
 Norman Willis | Cast | Actor | Tarner |
 Paul McVey | Cast | Actor | Zarnoff |
 Richard Travis | Cast | Actor | Const. Hallett |
 Robert Kellard | Cast | Actor | Tom Merritt, Jr. |
 Robert Strange | Cast | Actor | John Kettler |
 Sam Harris | Cast | Actor | Major Harold Bolton |
 Stanley Andrews | Cast | Actor | Tom Merritt Sr. |
Ted Mapes | Cast | Actor | Blake - Gang Pilot |
Tommy Coats | Cast | Henchman Mike | |
 Tony Paton | Cast | LeCouteau | |
 Wallace Reid Jr. | Cast | Constable Doyle | |
Walter Lowe | Cast | Paralytic #2 | |
William Stahl | Cast | Corporal Bob Hastings | |
George Ford | Cast | Actor | Paralytic #3 |
Dave Marks | Cast | Knife Heavy | |
Robert Wayne | Cast | Actor | Lieutenant |
William Kellogg | Cast | Const. MacCloud | |
| Person | Type | Job | Role(s) |
