Vanessa Redgrave as Isadora Duncan

John Fraser as Roger

James Fox as Gordon Craig

Jason Robards as Paris Singer

Zvonimir Črnko as Sergei Essenin (as Ivan Tchenko)

Vladimir Leskovar as Bugatti (as Vladimir Leskovar)

Cynthia Harris as Mary Desti

Bessie Love as Mrs. Duncan

Tony Vogel as Raymond Duncan

Libby Glenn as Elizabeth Duncan

Ronnie Gilbert as Miss Chase

Wallas Eaton as Archer

Nicholas Pennell as Bedford

John Quentin as Pim

Christian Duvaleix as Armand

David Healy as Chicago Theatre Manager

Lucinda Chambers as Deirdre

Simon Lutton Davies as Patrick

Noel Davis as Doctor

Ina De La Haye as Russian Teacher

Constantine Yranski as Russian Companion

Stefan Gryff as Russian Party Interpreter

John Brandon as Gospel Billy

Robert Ayres as (uncredited)

Jeremy Child as Party Guest (uncredited)

Hal Galili as (uncredited)

Leon Lissek as Bohemian (uncredited)

Terence Mountain as American Cop (uncredited)