Trailer
 | Isabelle Adjani as Ondine |
 | Jean-Luc Boutté as Le chevalier |
 | François Chaumette as King of the Ondins |
 | Jacques Toja as The King |
 | Michel Duchaussoy as Chamberlain |
 | Jean-François Rémi as Second judge |
 | Patrice Kerbrat as Seal showman |
 | André Reybaz as Ulric |
 | Claude Winter as La reine Yseult |
 | Louis Arbessier as auguste |
 | Denise Gence as eugenie |
| Patrice Kerbrat as Le montreur de phoques |
 | René Camoin as Le premier juge |
 | Francis Huster as Le poète |
 | Georges Audoubert as Le surintendant des théâtres |
 | Yves Pignot as Le gardien des porcs |
 | Bruno Devoldère as Le premier serviteur |
 | Jérôme Deschamps as alouin |
 | Geneviève Casile as berthe |
 | Catherine Hiegel as Grete et une ondine |
 | Fanny Delbrice as La fille de vaisselle/une ondine |
 | Nicolas Silberg as Bertram |
| Marcelline Collard as Violante/une ondine |
| Directing | |
| Raymond Rouleau | Director |
Sound | |
| Ginette Keller | Original Music Composer |
Camera | |
| André Dumaître | Director of Photography |
Costume & Make-Up | |
| Chloe Obolensky | Costume Design |
Writing | |
| Jean Giraudoux | Theatre Play |
