Yugoslav partisans battle Nazi invaders in a series of bloody confrontations which eventually culminate in the Battle at Hell River.
| Actor | Role |
|---|---|
 Rod TaylorMarko | Marko |
 Adam WestCaptain Kurt Kohler | Captain Kurt Kohler |
 Velimir 'Bata' ŽivojinovićBraka | Braka |
 Brioni FarrellAnna Kleitz | Anna Kleitz |
 Peter CarstenColonel Henke | Colonel Henke |
 Olivera KatarinaMila | Mila |
 Branko PlešaGen. Steiger | Gen. Steiger |
 Marinko ŠebezSele | Sele |
 Janez VrhovecCol. Hoffman | Col. Hoffman |
 Dragomir FelbaChicha | Chicha |
| GGizela VukovićWoman Mayor | Woman Mayor |
 Jovan Janićijević 'Burduš'Machek | Machek |
 Dragomir ČumićChetnick (uncredited) | Chetnick (uncredited) |
| LLeo MartinPevač (uncredited) | Pevač (uncredited) |
| KKrunoslav 'Kićo' SlabinacPevač (uncredited) | Pevač (uncredited) |
 Dragomir Stanojević(uncredited) | (uncredited) |
 Zoran StojiljkovićHerr Major (uncredited) | Herr Major (uncredited) |
 Senka VeletanlićPevačica (uncredited) | Pevačica (uncredited) |
 Pavle Vuisić(uncredited) | (uncredited) |