The fifth annual event will benefit spinal cord injury research.
The homegrown Hulu series features a host of Broadway stars.
The Rock of Ages stars return to the small screen with the latest episodes of their popular series.
Wesley Taylor, Adam Chanler-Berat, and Mitchell Jarvis will also participate in the 54 Below event.
Taylor stars as a conflicted actor in the theater-inspired dramedy.
Broadway's Sherie Rene Scott, Anthony Rapp, Stephanie J. Block, and more performed at the event.
The new William Finn-James Lapine musical plays Second Stage Theatre.
The story will continue in Los Angeles.