| Maxime Collin | Leolo |
| Ginette Reno | Mother |
| Roland Blouin | Father |
| Julien Guiomar | Grandfather |
| Pierre Bourgault | Word Tamer |
| Giuditta del Vecchio | Bianca |
| Andree Lachapelle | Psychiatrist |
| Denys Arcand | Director |
| Germain Houde | Teacher |
| Yves Montmarquette | Fernand |
| Lorne Brass | Fernand's Enemy |
| Gilbert Sicotte | Narrator |
Young Léo Lauzon lives in a Montreal apartment building with his troubled and highly eccentric family, but he spends much of his time in his own imagination. Devising a strange fantasy world where his mother conceived him with an Italian tomato, Léo attempts to cope with his unsettling reality by retreating into his mind, with his meandering thoughts often drifting to his gorgeous neighbor, Bianca .
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