My late friend Reed Jones, whom I've posted about many times (he was the original Skimbleshanks in the Broadway cast of Cats) is one of the boys in yellow. He can be seen in a close up dancing immediately behind her left shoulder, all blond hair and big teeth.
He danced for Mitzi and Shirley MacLaine and with Lena Horne in her tour of Pal Joey and played Tulsa in JoAnne Worley's Gypsy before teaming up with Sandy Duncan and Don Correia and then coming to New York in Sandy Duncan's Peter Pan.
I met him he left Peter Pan to play Big Deal in the West Side Story revival on which I was assistant to the directors.
He loved all his ladies, but he loved Sandy the best.
Thanks for posting this.