Cast & crew
I Cover the Underworld (1955)
Directed by R.G. Springsteen Written by John K. Butler
Cast
| Sean McClory | Suellen O'Hara |
| Joanne Jordan | Joan Huang |
| Ray Middleton | Corbett |
| Jaclynne Greene | Gilda Lopes |
| Lee Van Cleef | Flash |
| James Griffith | Smiley |
| Hugh Sanders | Donovan |
| Robert Crosson | Danny |
| Roy Roberts | District Attorney |
| Peter Mamakos | Charlie |
| Frank Gerstle | Dum Dum |
| Willis Bouchey | Warden |
| Philip Van Zandt | Jake |
| Don Haggerty | (uncredited) |
Crew
| R. Dale Butts | Original Music Composer |
| Reggie Lanning | Director of Photography |
| Roy Wade | Assistant Director |
| William F. Sheehan | Assistant Director |
| Walter E. Keller | Art Direction |
| Edward G. Boyle | Set Decoration |
| John McCarthy Jr. | Set Decoration |
| Adele Palmer | Costume Design |
| Joe Edmondson | Sound |
| Geraldine Wright | Script Supervisor |
| R.G. Springsteen | Director |
| John K. Butler | Writer |
| Tony Martinelli | Editor |