When The Fantasticks premiered in 1960 it changed American musical theatre.
What actor, who had a long career on Broadway, in film and on TV, played El Gallo in the premiere of The Fantasticks?. That role led to him to stardom.
That actor was Jerry Orbach, who also played major roles in many other Broadway shows including 42nd Street and Chicago and was known to many as Detective Lennie Briscoe in the TV series Law & Order.