The Relentless Four
1965 film by Primo Zeglio

The Relentless Four or I quattro inesorabili is a 1965 Italian Spaghetti Western film in Eastmancolor directed by Primo Zeglio.
Synopsis
A Texas Ranger is framed by the four outlaws he is chasing for a crime he did not commit.
Cast
Adam West as Ranger Sam Garrett
Robert Hundar as Alan
Red Ross as Troy
Ralph Baldwyn as Moss
János Barta as Rancher John
José Jaspe as Implacable
Roberto Camardiel as Jeffrey Anders
Dina Loy as Eliza Anders / Susan Terry
Cris Huerta as Comisario
Elisa Mainardi as Nancy
Luis Induni as Sheriff Luke
Francisco Sanz as Doctor
Robert Johnson Jr. as Bobi Calhoun
Pauline Baards as Lucy Anders / Sra.
Begin with the source’s own compact description: “The Relentless Four” is 1965 film by Primo Zeglio. The dossier treats that line as a proposition to test through Relentless, Four and film, not as a finished interpretation.
Why this record matters
The phrase “1965 film by Primo Zeglio” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Reception evidence should be dated and situated: later canonical status may differ sharply from the work’s initial circulation. The source revision retrieved here is dated Mar 4, 2026. The linked authority identifier is Q1993713. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1965.
Titles can refer to several editions, objects or performances, making precise identification essential before interpretation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Questions for further research
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This entry incorporates text from “The Relentless Four” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.