Season 1

Guest Stars:

Kelli O'Hara

Guest Stars:

Judy Kuhn

Guest Stars:

Lindsay Mendez, Ruthie Ann Miles

Guest Stars:

Marc Shaiman

Guest Stars:

Terrence Mann, Melissa Manchester

Guest Stars:

Jessie Mueller, John Tartaglia

Guest Stars:

Jessie Mueller, Brian Stokes Mitchell, Keala Settle, Marc Shaiman

Guest Stars:

Norbert Leo Butz, Will Chase, John Lithgow

Guest Stars:

John Ellison Conlee, Jason Danieley, Andrea Martin, Christopher Sieber, Patrick Wilson

Guest Stars:

Brian Stokes Mitchell, Gavin Creel, Audra McDonald, Will Swenson, Vanessa Williams

Guest Stars:

Timothy Busfield, Kristin Chenoweth, Melissa Gilbert, Kathy Najimy, Anne L. Nathan

Guest Stars:

Liz Callaway, Len Cariou, Joanna Gleason, Chip Zien

Guest Stars:

Jason Alexander, Charlotte d'Amboise, Christopher Fitzgerald, Chita Rivera, Christopher Sieber

Guest Stars:

Laura Benanti, Sierra Boggess, Ramin Karimloo, Norm Lewis, Andrew Lloyd Webber

Guest Stars:

Kelli O'Hara, Betty Buckley, Audra McDonald, Brian Stokes Mitchell

Guest Stars:

Jeremy Jordan, Judith Light, Laura Osnes

Guest Stars:

Brian Stokes Mitchell, Annette Bening, Raúl Esparza, Alice Ripley

Guest Stars:

Andrea Martin, Tina Fey, Jon Hamm, Jane Krakowski, Jeff Richmond

Guest Stars:

Colin Donnell, Caissie Levy, Patti Murin, Bebe Neuwirth

Guest Stars:

Rosie O'Donnell, Billy Porter

Guest Stars:

Sebastian Arcelus, Stephanie J. Block, Sean Hayes, Eric McCormack, Keala Settle

Guest Stars:

Mandy Gonzalez, Lin-Manuel Miranda

Guest Stars:

Christopher Sieber, Colleen Ballinger, Beth Leavel

Guest Stars:

Alex Newell, Lea Salonga

Guest Stars:

Kristin Chenoweth, Melissa Peterman, Kyle Richards, Adrienne Warren

Guest Stars:

Alex Brightman, Kerry Butler, Rob McClure, Presley Ryan

Guest Stars:

Michael Cerveris, Judy Kuhn, Sydney Lucas, Beth Malone, Emily Skeggs

Guest Stars:

Raúl Esparza, Iain Armitage, Charles Busch, Julie Halston

Guest Stars:

Danny DeVito, Marilu Henner, Judd Hirsch, Carol Kane, Christopher Lloyd

Guest Stars:

Kristen Anderson-Lopez, Santino Fontana, Josh Gad, Jonathan Groff, Robert Lopez

Guest Stars:

Chrissy Metz, Mandy Moore, Ken Olin, Chris Sullivan, Susan Kelechi Watson

Guest Stars:

Joan Allen, Joanne Camp, Peter Friedman, Boyd Gaines, Drew McVety

Guest Stars:

Dan Butler, Peri Gilpin, Kelsey Grammer, Harriet Sansom Harris, David Hyde Pierce

Guest Stars:

France Joli, Caroline Rhea

Guest Stars:

Will Chase, Ingrid Michaelson

Guest Stars:

Andy Karl, Orfeh

Guest Stars:

Donna Murphy

Guest Stars:

Charles Busch

Guest Stars:

Kristin Chenoweth, Raúl Esparza

Guest Stars:

Laura Bell Bundy, Gavin Creel, Celia Keenan-Bolger, Marc Kudisch, Marissa Jaret Winokur

Guest Stars:

Michael Berresse, Susan Blackwell, Heidi Blickenstaff, Cheyenne Jackson

Guest Stars:

Will Swenson, Colin Donnell, Mike Doyle, Scott Evans, Caissie Levy

Guest Stars:

Ann Hampton Callaway, Liz Callaway, Camryn Manheim, Marlee Matlin

Guest Stars:

D'Arcy Carden, Anthony Carrigan, Andrew Barth Feldman, Sarah Goldberg, Stephen Root

Guest Stars:

Keala Settle, Iain Armitage, Lance Barber, Montana Jordan, Zoe Perry

Guest Stars:

Tovah Feldshuh, Judy Gold, Andrew Keenan-Bolger, Andy Nyman

Guest Stars:

Jonathan Groff, Skylar Astin, Lilli Cooper, Sutton Foster, John Gallagher Jr.

Guest Stars:

Karan Brar, Kevin Chamberlin, Carolyn Hennesy, Skai Jackson, Peyton List

Guest Stars:

Kevin Cahoon, Rachel Dratch, Ana Gasteyer

Guest Stars:

Patrick Breen, Marylouise Burke, Lisa Gorlitsky, Mark McKinney, Keith Nobbs

Guest Stars:

Kristin Chenoweth, Bebe Neuwirth, Donna Murphy, Sutton Foster, Jennifer Grey

Guest Stars:

Andrew Lloyd Webber, Alice Cooper, Brandon Victor Dixon, Norm Lewis, Jason Tam

Guest Stars:

Marcia Cross, Dana Delany, Harriet Sansom Harris, Eva Longoria, Brenda Strong

Guest Stars:

Kathryn Gallagher, Celia Rose Gooding, Lauren Patten, Elizabeth Stanley

Guest Stars:

Marc Shaiman, Kerry Butler, John Hill, Jenifer Lewis, Martin Short

Guest Stars:

Andrea Martin, Sean Hayes

Guest Stars:

Chris Colfer, Darren Criss, Jane Lynch, Kevin McHale, Matthew Morrison

Guest Stars:

Charles Busch, Julie Halston, Alison Fraser, Amy Rutberg, Jennifer Van Dyck

Guest Stars:

Eugene Levy, Andrea Martin, Catherine O'Hara, Martin Short

Guest Stars:

Liz Larsen, Varla Jean Merman, Sal Viviano, Michelle Collins

Guest Stars:

Keala Settle, Luke Islam, Jessie Mueller

Guest Stars:

John Cariani, Sharon D. Clarke, Tamika Lawrence

Guest Stars:

Mandy Moore, Skylar Astin, Peter Gallagher, Lauren Graham, Andrew Leeds

Guest Stars:

Brooke Adams, Tony Shalhoub

Guest Stars:

Judy Kuhn, Anthony Crivello, Randy Graff, Terrence Mann, Trevor Nunn

Guest Stars:

Chita Rivera, Anthony Crivello

Guest Stars:

Rob McClure, Analise Scarpaci

Guest Stars:

Andrea Martin, Derrick Baskin, Billy Eichner, Cole Escola, Jackie Hoffman

Guest Stars:

Andrea McArdle, Nancy Opel, Jennifer Laura Thompson

Guest Stars:

Gloria Calderón Kellett, Isabella Gómez, Todd Grinnell, Norman Lear, Justina Machado

Guest Stars:

Johnny Galecki, Neal Huff, Zoe Lister-Jones, Julie White

Guest Stars:

Christopher Fitzgerald, Camryn Manheim, Julia K. Murney

Guest Stars:

Sierra Boggess, Preston Nyman, Julian Ovenden

Guest Stars:

Dana Delany, Michael Boatman, Marg Helgenberger, Jeff Kober, Ricki Lake

Guest Stars:

Adrianna Hicks, Anna Uzele

Guest Stars:

Sierra Boggess, Patrick Duffy, Linda Gray, Steve Kanaly, Charlene Tilton

Guest Stars:

Alison Fraser, Christian Conn, Daniel Davis, Daniel H. Jenkins, Ismenia Mendes

Guest Stars:

Kristin Chenoweth, Liz Callaway, Lonny Price, Marisa Tomei

Guest Stars:

Lilli Cooper, Gavin Lee, Ethan Slater, Wesley Taylor

Guest Stars:

Lindsay Mendez, Jessie Mueller, Renée Fleming, Joshua Henry

Guest Stars:

Marcia Cross, Josie Bissett, Thomas Calabro, Laura Leighton, Heather Locklear

Guest Stars:

Jayne Atkinson, Michel Gill, Justin Guarini, Jane Kaczmarek

Guest Stars:

Brian Stokes Mitchell, David Byrne, Jeremy O. Harris, John Mulaney, Deirdre O'Connell

Guest Stars:

Brenock O'Connor

Guest Stars:

Danielle Brisebois, Mindy Cohn, Mackenzie Phillips, Glenn Scarpelli, Jill Whelan

Guest Stars:

Sierra Boggess, Rachel Brosnahan, Capathia Jenkins

Guest Stars:

Kelli O'Hara, Sean Hayes, Quinn Cummings, Richard Dreyfuss, Marsha Mason

Guest Stars:

Laura Benanti

Guest Stars:

Chita Rivera, Jason Danieley, David Garrison, Mary Beth Peil, Michelle Veintimilla

Guest Stars:

Christopher Sieber, Brooks Ashmanskas, Caitlin Kinnunen, Beth Leavel, Isabelle McCalla

Guest Stars:

Patrick Wilson, John Ellison Conlee, André De Shields, Marcus Neville, Tony Yazbeck

Guest Stars:

Randy Graff, Gregg Edelman, Dee Hoty, James Naughton, Rachel York

Guest Stars:

Darren Criss, David Corenswet, Laura Harrier, Joe Mantello, Dylan McDermott

Guest Stars:

Mandy Gonzalez

Guest Stars:

Lindsay Mendez, Keala Settle, Jeremy Jordan, Rachel Bay Jones, Ben Levi Ross

Guest Stars:

Teddy Cañez, Hubert Point-Du Jour, Nia Vardalos, Natalie Woolams-Torres

Guest Stars:

Brian Stokes Mitchell, Norm Lewis, Andrea Martin, Varla Jean Merman

Guest Stars:

Brenda Braxton, Lesli Margherita

Guest Stars:

Sharif Atkins, Matt Bomer, Hilarie Burton, Tim DeKay, Willie Garson

Guest Stars:

Melissa Errico

Guest Stars:

Kelli O'Hara, Jason Danieley

Guest Stars:

Angel Desai, Montego Glover, Renée Elise Goldsberry, William Jackson Harper, Brian Stokes Mitchell

Guest Stars:

Chita Rivera, Jason Alexander, Rob Marshall

Guest Stars:

Charlotte d'Amboise, Sutton Foster, LaChanze, Andrea Martin

Guest Stars:

Jason Robert Brown

Guest Stars:

Wayne Brady

Guest Stars:

Michelle Collins, Ellie Kemper, Kelly McCreary, Bryan Safi

Guest Stars:

Malcolm Gets, Cathy Ladman, Andrew Lauer, Eric Lutes, John Mariano

Guest Stars:

Charles Busch, Jennifer Van Dyck, Howard McGillin, Christopher Borg

Guest Stars:

Yeardley Smith

Guest Stars:

Carol Kane, Delia Ephron

Guest Stars:

Susan Blackwell, Heidi Blickenstaff

Guest Stars:

David Bryan, Jeanna De Waal, Judy Kaye

Guest Stars:

Montego Glover, James Monroe Iglehart

Guest Stars:

Brooke Adams, Tony Shalhoub

Guest Stars:

Chita Rivera, Harvey Evans

Guest Stars:

Andrew Barth Feldman

Guest Stars:

Marc Shaiman, Megan Hilty, Katharine McPhee, Neil Meron

Guest Stars:

Laura Benanti, Sophia La Porta

Guest Stars:

Sierra Boggess, Alan H. Green, Sean Palmer

Guest Stars:

Tom Cavanagh, Victor Garber, Grant Gustin, Danielle Nicolet, Candice Patton

Guest Stars:

Santino Fontana, Andrew Keenan-Bolger, Renée Elise Goldsberry, Jay O. Sanders, Michael Benjamin Washington

Guest Stars:

Kerry Butler, Beth Malone, Luke Islam, Nia Vardalos, Willie Garson

Guest Stars:

Harriet Sansom Harris, Elizabeth Stanley, Christopher J. Hanke, James Snyder

Guest Stars:

Chita Rivera, Robert Montano, Richard Montoya

Guest Stars:

Presley Ryan, Savvy Crawford, Gregory Díaz IV