Tony nominee Benson has joined the hit streaming show for its fourth season.
The play unfolds over one night as the playwright meets the young actor while crafting A Streetcar Named Desire.
Mr. Wydro was a familiar face in the Off-Broadway scene, having co-created the smash hit Mama, I Want to Sing with his wife, Vy Higginsen.
Palmer spilled the news on The Kelly Clarkson Show.
The new musical has also extended its run at New World Stages.
The two-time Tony winner will headline a series of concerts at Radio City Music Hall.
The piece is one of three new musicals set to be staged within the York's New2NY series.
The actor and teacher will work alongside Cabaret and Performance Conference Artistic Director John McDaniel.
Influencer Paytas' one-night-only Broadway debut will also be streamed.