Secrets of the Underground (0)
| Type | Feature Film |
| MPAA Rating | NR |
| Runtime | 1hr 10mins. |
| Genres | War, Short Film, Spy Film |
| Status | Published |
| US Release Date | 11/30/-0001 |
| Name | Credit | Credited as | Season |
|---|---|---|---|
| Miles Mander | Actor | Paul Panois | |
| Daniel Mainwaring | Screenwriter | ||
| Neil Hamilton | Actor | Kermit | |
| Virginia Grey | Actor | Terry | |
| Ben Welden | Actor | Joe | |
| Lloyd Corrigan | Actor | Maurice Vaughn | |
| George Chandler | Actor | Lynch, the Hotel Clerk | |
| Eddy Chandler | Actor | Dan, the Detective | |
| Ken Christy | Actor | Cleary | |
| Pauline Drake | Actor | Receptionist | |
| Leonard Fields | Producer | ||
| Roy Gordon | Actor | Mr. Perkins | |
| Olin Howland | Actor | Oscar | |
| John Hubbard | Actor | P. Cadwallader Jones | |
| Eddie Kane | Actor | Bradley, the Reporter | |
| Nora Lane | Actor | Woman Clerk | |
| Eula Morgan | Actor | Mrs. Calhoun | |
| William Morgan | Director | ||
| Joe Ray | Actor | Harrison, the Reporter | |
| Robin Raymond | Actor | Marianne Panois | |
| Dick Rich | Actor | Maxie | |
| Francis Sayles | Actor | Station Agent | |
| Walter Scharf | Composer (Music Score) | ||
| Walter Scharf | Musical Direction/Supervision | ||
| Marla Shelton | Actor | Mrs. Perkins | |
| George Sherwood | Actor | Window Dresser | |
| Ben Taggart | Actor | Bob, the Detective | |
| Herb Vigran | Actor | Street Photographer | |
| Max Wagner | Actor | Baggage Man | |
| Pierre Watkin | Actor | District Attorney Winton | |
| Charles Williams | Actor | Hypo | |
| Russell Kimball | Art Director | ||
| Otto Siegel | Set Designer | ||
| Arthur Roberts | Editor | ||
| Robert Tasker | Screenwriter | ||
| Connie Evans | Actor | Telephone Operator | |
| Bobby Stone | Actor | Messenger | |
| Ernest W. Miller | Cinematographer |
