The Outer Limits (1963-1965)
Season 02: Episode 01
​"Soldier"

From IMDB.com:
"A soldier from the far future is accidentally teleported back to 1964. The psychiatrist assigned to examine the soldier realizes that he has been bred purely as a killing machine, but he believe he can reawaken the warrior's humanity. Meanwhile, a second soldier arrives, dedicated to hunting and killing his enemy."

Cast

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