The Man from the Alamo 1953

Out Of Texas' Bravest Hour... Came The Man They Called The Coward

Directed by Budd Boetticher

During the war for Texas independence, one man leaves the Alamo before the end (chosen to help others' families) but is too late to accomplish his mission, and is branded a coward. Unable to expose a gang of turncoats, he infiltrates them instead.