Canon City
Prisoners battle each other -- and the police -- when they escape the Colorado State Penitentiary.
| Actor | Role |
|---|---|
 Scott BradySherbondy | Sherbondy |
 Jeff CoreySchwartzmiller | Schwartzmiller |
 Whit BissellHeilman | Heilman |
 Stanley ClementsNew | New |
 Charles RussellTolley | Tolley |
 DeForest KelleySmalley | Smalley |
 Ralph ByrdOfficer Gray | Officer Gray |
 Mabel PaigeMrs. Oliver | Mrs. Oliver |
| RRoy BestHimself (as Warden Roy Best) | Himself (as Warden Roy Best) |
 Henry BrandonFreeman | Freeman |
 Robert BiceMorgan | Morgan |
 Ray BennettWillie Bennett | Willie Bennett |
 Robert KellardOfficer Winston R. Williams | Officer Winston R. Williams |
| CCay ForesterMrs. Wilson | Mrs. Wilson |
 Paul ScardonJoe Bondy | Joe Bondy |
 Howard NegleyRichard Smith | Richard Smith |
 Margaret KerryMaxine Smith | Maxine Smith |
 Eve MarchMrs. Bauer | Mrs. Bauer |
 John DoucetteGeorge Bauer | George Bauer |
| PPhyllis DouglasMyrna | Myrna |