Two Army officers, an alcoholic ex-Confederate soldier and a womanizing Mexican travel to Mexico on a secret mission to prevent a megalomaniacal ex-Confederate colonel from selling a cache of stolen rifles to a band of murderous Apaches.

Richard Boone
as Lassiter

Stuart Whitman
as Capt. Haven

Anthony Franciosa
as Rodriguez

Wende Wagner
as Sally

Warner Anderson
as Col. Wagner

Jim Brown
as Franklyn

Rodolfo Acosta
as Bloodshirt

Barry Kelley
as Croupier

Vito Scotti
as Mexican Bandit

House Peters Jr.
as Pardee Officer
John Chard
Tough grizzled Oater worthy of re-evaluation. Rio Conchos is directed by Gordon Douglas and adapted to screenplay by Joseph Landon from the Clair Huffaker novel. It stars Richard Boone, Stuart Whitman, Jim Brown, Tony Franciosa, Wende Wagner and Edmond O'Brien. Music is scored by Jerry Goldsmit...
Wuchak
***Entertaining reimagining of “The Comancheros” with Boone, Whitman, Franciosa and Brown*** Two years after the Civil War, an unlikely team of four men go on a mission to find a missing cache of Federal rifles; the trail leads to a private army of ex-Rebels and Apaches, as well as a surreal ante...
CinemaSerf
I don’t suppose that you could ever describe Richard Boone as a versatile actor, but he usually made for a good character in a Western and he holds this together quite well. His “Lassiter” is a man with a past who has hooked up with “Capt. Haven” (Stuart Whitman) and the not entirely trustworthy, te...