The commander of an isolated frontier cavalry post tries to stop an Indian war and find his son, who has been kidnapped.
| Actor | Role |
|---|---|
 George PeppardMajor John David Harkness | Major John David Harkness |
 Pernell RobertsJackson Buckley | Jackson Buckley |
 Belinda MontgomeryHeller Chase | Heller Chase |
 L.Q. JonesBen Lawler | Ben Lawler |
 George MurdockCaptain MacDowell | Captain MacDowell |
 Barry BrownGarratt | Garratt |
 Dana ElcarCaptain Detroville | Captain Detroville |
 John KelloggSgt. Major Marcy | Sgt. Major Marcy |
 Bo SvensonRaeder | Raeder |
 Vincent Van PattenPeter Harkness | Peter Harkness |
 Joaquín MartínezSantanta | Santanta |
 Randolph Mantooth2nd Lt. Lewis | 2nd Lt. Lewis |
 Clint RitchieCorporal Love | Corporal Love |