Bob Fosse
Sam Rockwell, who won an Oscar for Three Billboards..., is the famed choreographer in the FX miniseries.
Gwen Verdon
Oscar nominee Michelle Williams is playing Gwen Verdon, one half of the titular couple the FX drama is chronicling.
Paddy Chayefsky
Broadway mainstay Norbert Leo Butz is taking on the role of the playwright in the FX series.
Ann Reinking
Margaret Qualley is taking on the role of the accomplished Broadway actress, dancer and choreographer.
Chita Rivera
Bianca Marroquin, a stage actress known for her role in Chicago, plays the iconic theater fixture in the FX series.
Liza Minnelli
Kelli Barrett, an accomplished stage actress who recently recurred on Marvel's The Punisher, will play Liza with a z.
Joan Simon
You're the Worst standout Aya Cash takes on the role Joan, Neil Simon's first wife.
Neil Simon
Nate Corddry, known for his work in Mom and Childrens Hospital, plays screenwriter and playwright Neil Simon.
Joan McCracken
Susan Misner plays dancer-actress Joan McCracken in the FX series. McCracken is known for originating the role of Sylvie in Oklahoma!.
Cy Feuer
Mad About You star Paul Reiser takes on the role of influential theater producer Cy Feuer.