|Colorado Territory (North of the Rio Grande) (1949) [Reno Blake]: Executed (off-screen) by hanging, along with James Mitchell; their legs are shown dangling after the hanging.
Best of the Badmen (1951) [Curly Ringo]: Shot to death by Jack Beutel. (Thanks to Gordon)
Maverick: The Devil's Necklace Part 2 (1961) [Major Reidinger]: Killed in a battle when Native American warriors attack the fort. (Thanks to Gordon)