| Cast overview, first billed only: | |||
| Charlton Heston | ... | Will Penny | |
| Joan Hackett | ... | Catherine Allen | |
| Donald Pleasence | ... | Preacher Quint | |
| Lee Majors | ... | Blue | |
| Bruce Dern | ... | Rafe Quint | |
| Ben Johnson | ... | Alex - Flat Iron Ranch Foreman | |
| Slim Pickens | ... | Ike Walterstein | |
| Clifton James | ... | Catron | |
| Anthony Zerbe | ... | Dutchy | |
| Roy Jenson | ... | Boetius Sullivan | |
| G.D. Spradlin | ... | Anse Howard | |
| Quentin Dean | ... | Jennie | |
| William Schallert | ... | Dr. Fraker | |
| Lydia Clarke | ... | Mrs. Fraker | |
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Robert Luster | ... | Shem Bodine |
Will Penny, an aging cowpoke, takes a "line-rider" job on a vast cattle ranch requiring him to keep trespassers and squatters moving until they're off the property. Ironically, he discovers that the mountain cabin reserved for the line rider has been appropriated by Catherine Allen and her young son, Horace, whose guide has deserted them en route to Oregon to join Catherine's husband. Too soft-hearted and ashamed to kick mother and child out just as the bitter Rocky Mountains winter sets in, he agrees to share the cabin until the spring thaw. But it isn't just the snow that slowly thaws; lonely man and woman soon forget their considerable dissimilarities and start developing a deep, if awkward and unstated, love for each another. Beyond this, Horace finds in Will the father he's never known, and Will finds in Horace the son he's never known he's wanted. The trio's little refuge is then invaded by Bible-quoting preacher Quint and his murderous family of "rawhiders", who'd earlier ... Written by Alfred Jingle
Charlton Heston gives a truly varied performance as the title character in a beautifully set film. Locations are stunning, and it shows the harsh and lonely existence of a true cowboy. Joan Hackett plays a restrained support and complements Heston wonderfully, with such a naturally acted film. Strong tension and unusual nerve and risqueness combine to produce a superb film which breaks away from the traditional cowboy image.