Career
As an actor, he is known for his appearances on many 1960s-era television shows such as Star Trek. Born in New York, but raised in Rome, Italy, Montaigne speaks several languages, a skill he used to his advantage in securing roles in international productions. He appeared in the role of Doctor Chauncy Hartlund in the 1965 Perry Mason episode, "The Case of the Carefree Coronary." In 1966, Montaigne portrayed the Romulan Decius in the Star Trek episode "Balance of Terror", he had nearly played Mr Spock when it was possible that Leonard Nimoy would appear on Mission Impossible.
A year later, he portrayed the Vulcan Stonn, a paramour of Spock"s intended bride T"Pring, in the episode "Amok Time" - a role that he reprised in 2006 in the unofficial mini-series Star Trek: Of Gods and Men.
His motion picture appearances include roles in The Great Escape (1963), Captain Sindbad (1963), Tobruk (1967), The Power (1968), The Psycho Lover (1970), Escape to Witch Mountain (1975), Framed (1975), Young Lady Chatterley (1977), Deadly Blessing (1981) and Dakota (1988). Montaigne taught film in the 1980s at North Texas State University.
Foreign the last several years he has lived in Las Vegas, Nevada and has translated medical texts for a publishing firm. In 2007, Montainge voiced a guest starring role in the pilot episode of the web series Star Trek: The Continuing Mission.