Guest Stars Aya Cash as Joan Simon Jake Lacy as Ron Peter Scolari as Mel Kelcy Griffin as Debbie Allen Lin-Manuel Miranda as Roy Scheider Co Starring Juliet Brett as Nicole Fosse Chandler Head as Nicole Fosse Paloma Garcia-Lee as Adrienne Ari Brand as Danny Peter Chursin as Christopher Chadman Adrienne Lovette as Diniz Matt Wall as Fred Ebb Lindsay Nicole Chambers as Leland Palmer Stephen Plunkett as Paul Grantner Jeff Blumenkrantz as Lonnie Aaron Krohn as Henry Sean Patrick Doyle as Michael O'Haughey Tyler Hanes as Jerry Orbach Meredith Garretson as Bridget Hadley Robinson as Caroline Ryan Avalos as Sam Sean Fosse as Production Assistant Wyatt Cirbus as Sean Fosse Jim Ferris as Casting Director Austyn Johnson as Erzsebet Foldi Aurora Leonard as Phoebe Henry Dammacco as Leif Fosse Amy Justman as Adult Nicole Landen Lomot as Noah Fosse David Rowen as LA Theatre Pianist
