167 mins | Crime, Action | Jan. 1, 1949
167 mins | Crime, Action | Jan. 1, 1949
| IMDb rating | 5.4 |
| Producers | Republic Pictures |
| Original title | Federal Agents vs. Underworld, Inc. |
| Directors | Fred C. Brannon |
| Writers | William Lively, Royal K. Cole, Basil Dickey, Sol Shor |
as Inspector David Worth
as Laura Keith
as Spade Gordon
as Nila
as Agent Steve Evans
as Prof. Paul Williams [Chs. 1-6]
as Prof. James Clayton [Chs. 1, 10-12]
as Porter [Ch. 9]