Ma Barker and her four sons terrorize the 1930s South and Midwest with a string of kidnappings, robberies and murders, and even get to work with such famous criminals as John Dillinger and Baby Face Nelson.
| Actor | Role |
|---|---|
 Lurene TuttleMa Barker | Ma Barker |
 Tristram CoffinArthur Dunlop | Arthur Dunlop |
 Paul DubovAlvin Karpis | Alvin Karpis |
 Nelson LeighGeorge Barker | George Barker |
 Myrna DellLou | Lou |
 Victor LundinMachine Gun Kelly | Machine Gun Kelly |
 Don GradyHerman as a Boy | Herman as a Boy |
| RRoye BakerLloyd Barker | Lloyd Barker |
 Ron FosterDoc Barker | Doc Barker |
| MMichael SmithFred - as a Boy | Fred - as a Boy |
| GGary AmmannDoc - as a Boy | Doc - as a Boy |
| DDonald TowersLloyd - as a Boy | Lloyd - as a Boy |
| DDon SpruanceHerman | Herman |
 Rex HolmanLloyd | Lloyd |
| EEric MorrisFred | Fred |
 Byron FoulgerDr. Guelffe | Dr. Guelffe |
 Eric SinclairJohn Dillinger | John Dillinger |
| RRobert KendallBaby Face Nelson | Baby Face Nelson |
| IIrene WindustMrs. Khortney | Mrs. Khortney |
 John McNamaraMr. Khortney | Mr. Khortney |
 Dan WhiteSheriff #2 | Sheriff #2 |
 Owen BushCarney | Carney |
 Charles TannenSheriff #1 | Sheriff #1 |
 Riley HillDeputy | Deputy |
 Dan RissBaxter | Baxter |
 David CarlileAvery | Avery |
| BBernard PludowCharlie | Charlie |
| PPaul PowerMinister | Minister |
| GGeorge DockstaderGuard | Guard |
| WWally RoseGuard | Guard |