John Steinbeck (voice)
Bryan Cranston
F. Murray Abraham
F. Murray Abraham
Self
Terrence McNally
Dr. Jason Pepper (voice)
Dan Bucatinsky
Self
Lynn Ahrens
Jon Robin Baitz
Jon Robin Baitz
Christine Baranski
Christine Baranski
Zoe Caldwell
Zoe Caldwell
Self
Angela Lansbury
Self
Dominic Cuskern
Tyne Daly
Tyne Daly
Maurine McElroy (voice)
Meryl Streep
Edie Falco
Edie Falco
Self
Rita Moreno
John Glover
John Glover
Self
Stephen Flaherty
Anthony Heald
Anthony Heald
Self
John Benjamin Hickey
Self
Sheryl Kaller
Self
John Kander
Self
Roberta Kaplan
Self
Tom Kirdahy
Self
Larry Kramer
Self
Nathan Lane
Self
Paul Libin
Self
Joe Mantello
Self
Marin Mazzie
Self
Audra McDonald
Self
Peter McNally
Self
Lynne Meadow
Self
Jack O'Brien
Self
Billy Porter
Self
Chita Rivera
Self
Doris Roberts
Self
Don Roos
Self
John Slattery
Self
Micah Stock
Self
Richard Thomas
Self
John Tillinger
Self
Patrick Wilson