Google's AI seems to be saying that Robert Yacko produced that staging of CHESS as well as playing Anatoly.
"Jodi Benson and Robert Yacko starred together in the West Coast premiere of the musical "Chess" in 1990, with Benson playing Florence and Yacko playing Anatoly. This collaboration was a notable production of the musical, and Benson often credits Yacko for finding the show.
Jodi Benson: Known for voicing Ariel in Disney's The Little Mermaid, Benson was the lead actress in the 1990 production of "Chess".
Robert Yacko: He was a co-star in the production, playing the role of Anatoly. His participation was instrumental in bringing the musical to the West Coast.
The production: "Chess" was staged in 1990 in Long Beach, California, as part of the Long Beach Civic Light Opera, with Benson and Yacko as the leading cast members. "