 | Vanessa Redgrave als Isadora Duncan |
 | John Fraser als Roger |
 | James Fox als Gordon Craig |
 | Jason Robards als Paris Singer |
 | Zvonimir Črnko als Sergei Essenin (as Ivan Tchenko) |
 | Vladimir Leskovar als Bugatti (as Vladimir Leskovar) |
 | Cynthia Harris als Mary Desti |
 | Bessie Love als Mrs. Duncan |
 | Tony Vogel als Raymond Duncan |
 | Libby Glenn als Elizabeth Duncan |
| Ronnie Gilbert als Miss Chase |
 | Wallas Eaton als Archer |
| Nicholas Pennell als Bedford |
 | John Quentin als Pim |
 | Christian Duvaleix als Armand |
 | David Healy als Chicago Theatre Manager |
| Lucinda Chambers als Deirdre |
| Simon Lutton Davies als Patrick |
 | Noel Davis als Doctor |
 | Ina De La Haye als Russian Teacher |
| Constantine Yranski als Russian Companion |
 | Stefan Gryff als Russian Party Interpreter |
 | John Brandon als Gospel Billy |
 | Robert Ayres als (uncredited) |
 | Jeremy Child als Party Guest (uncredited) |
 | Hal Galili als (uncredited) |
 | Leon Lissek als Bohemian (uncredited) |
| Terence Mountain als American Cop (uncredited) |
| Karel Reisz | Director |
| Clive Exton | Screenplay |
| Melvyn Bragg | Adaptation |
| Melvyn Bragg | Screenplay |
| Eric Rattray | Production Manager |
| Maurice Jarre | Original Music Composer |
| Terry Rawlings | Sound Editor |
| Philip Baker | Assistant Editor |
| Raymond Hakim | Producer |
| Michael Seymour | Art Direction |
| Robert Hakim | Producer |
| Litz Pisk | Choreographer |
| Claude Watson | Assistant Director |
| Roy Parkinson | Production Supervisor |
| Sewell Stokes | Book |
| Isadora Duncan | Book |
| Miso Senecic | Art Direction |
| Anthony Bowles | Original Music Composer |
| Larry Pizer | Director of Photography |
| Dennis C. Lewiston | Camera Operator |
| Tom Priestley | Editor |
| Ken Ritchie | Sound |
| Rebecca Breed | Wardrobe Master |
| Miriam Brickman | Casting |
| Jocelyn Herbert | Production Design |
| Wally Schneiderman | Makeup Department Head |
| Biddy Chrystal | Hairstylist |
| Olga Angelinetta | Hairstylist |
| Bryan Graves | Set Dresser |
| Harry Cordwell | Set Dresser |
| Maurice Askew | Sound |
| Lionel Strutt | Sound Re-Recording Mixer |
| Léo Mirkine | Still Photographer |
| Maurice Jarre | Conductor |
| Isadora Duncan | Thanks |
