Spiel zu zweit
As an actor, he was in "Battle of the Bulge" (1965) and "Django the Condemned" (1966). He was in "Hallucination Generation" (1967) an anti-LSD movie. Montgomery was in "" (1967), "Hostile Guns" (1967), "Warkill" (1968), and "Strangers at Sunrise" (1970) (shot in South Africa). He also worked the dinner and stock theatre circuit, appearing in productions of "Two for the Seesaw" and " A Hole in the Head".