Lilli Cooper
as Doc
John Tartaglia
voices Gobo
Karen Prell
voices Red
Jordan Lockhart
voices Wembley
Donna Kimball
voices Mokey
Daveed Diggs
voices Jamdolin
Ed Helms
voices Lyle Craggle
Cynthia Erivo
voices The Archivist
Kenan Thompson
voices Jack Hammer
Adam Lambert
voices The Great Glitterini
Ariana DeBose
voices Mezzo
Brett Goldstein
voices Pryce