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William Shatner as Steve Monroe |
 |
Michael Parks as Antonio DeLeon |
 |
Lee Grant as Virginia Monroe |
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Frank Silvera as Gen. Salazar |
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Victor Jory as Dr. Henry Merrill |
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Charles McGraw as Capt. Humphreys |
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Louise Sorel as Alicia Salazar |
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Barbara Werle as Maggie Merrill |
 |
Michael Tolan as Reynaldo Solis |
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Stuart Margolin as Rico |
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Valentin de Vargas as Colonel |
 |
Woody Chambliss as |
| Writing | Sidney L. Stebel | Writer |
| Writing | Oscar Millard | Writer |
| Directing | William A. Graham | Director |
| Writing | Robert Weverka | Writer |
