The 1930s outlaw teams up with Pretty Boy Floyd, Baby Face Nelson and Homer Van Meter.
| Actor | Role |
|---|---|
 Nick AdamsJohn Dillinger | John Dillinger |
 Robert Conrad'Pretty Boy' Floyd | 'Pretty Boy' Floyd |
 John Ashley'Baby Face' Nelson | 'Baby Face' Nelson |
| DDan TerranovaJohn Hamilton | John Hamilton |
 Mary Ann MobleyElaine | Elaine |
 Victor BuonoProf. Hofman | Prof. Hofman |
 John HoytDr. Wilson | Dr. Wilson |
 Anthony CarusoRocco | Rocco |
 Reed HadleyFederal Agent Parker | Federal Agent Parker |
 Art BakerWarden | Warden |
 Emile MeyerDet. Jergins | Det. Jergins |
 Robert OsterlohFederal Agent Baum | Federal Agent Baum |
 Gene RothHerman, Justice of the Peace | Herman, Justice of the Peace |
 Frank GerstleWatchman | Watchman |
| WWally RoseGuard | Guard |
 Walter SandeJudge | Judge |
 Joy HarmonNelson's Girl | Nelson's Girl |
 Beverly PowersFloyd's Girl (as Beverly Hills) | Floyd's Girl (as Beverly Hills) |
 Ted KnightJohnsyn | Johnsyn |
| PPaul GengePolice Detective | Police Detective |