Ethan Hawke

Lorenz Hart

Bobby Cannavale

Eddie

Andrew Scott

Richard Rodgers

Margaret Qualley

Elizabeth Weiland

Patrick Kennedy

E.B. 'Andy' White

Jonah Lees

Morty Rifkin

Simon Delaney

Oscar Hammerstein

Giles Surridge

Sven

Cillian Sullivan

Stephen Sondheim

Michael James Ford

Lawrence Langner

John Doran

Weegee

Anne Brogan

Frieda Hart

David Rawle

George Roy Hill

Aisling O'Mara

Renee Carroll

Caitríona Ennis

Cigarette Girl

Andrew Bennett

Oklahoma City Mayor

John Cronin

Investor

Elaine O'Dwyer

Gladys

Ian Dillon

Elizabeth’s Mothers Friend (uncredited)

Brian Briggs

Waiter (uncredited)