| Opera Parallèle | ||
| Nicole Paiement | Musikalische Leitung | |
| Shawnette Sulker | Sopran | River Woman |
| Heidi Moss | Sopran | Woman of the River / Fiancee |
| Michael Bell | Tenor | Chief Accountant / Helmsman |
| Thomas Glenn | Tenor | Harlequin |
| Jonathan Smucker | Tenor | Manager / Secretary |
| Isaiah Bell | Tenor | Marlow |
| Daniel Cilli | Bariton | Company Director (Thames Boat) |
| Aleksey Bogdanov | Bariton | Doctor / Boilerman |
| Philip Skinner | Bariton | Kurtz |