Scatterbrained Polly gets a job as a secretary in Gabrielle's art gallery. Polly aspires to be a professional photographer, and idolizes Gabrielle for her artistic ability. When Gabrielle rekindles an old romantic relationship with the younger painter Mary, Polly becomes jealous, and discovers Gabrielle isn’t exactly who she claims to be.
You can now watch I've Heard the Mermaids Singing online on the following streaming providers in the United States.
| Writing | Patricia Rozema | Writer |
| Directing | Patricia Rozema | Director |
| Production | Patricia Rozema | Producer |
| Sound | Mark Korven | Original Music Composer |
| Art | Valanne Ridgeway | Art Direction |
| Production | Ross Clydesdale | Casting |
| Production | Maria Armstrong | Casting |
| Production | Alexandra Raffe | Production Manager |
| Production | Alexandra Raffe | Producer |
| Editing | Patricia Rozema | Editor |
| Production | Don Haig | Executive Producer |
| Camera | Douglas Koch | Director of Photography |
| Costume & Make-Up | Martine Matthews | Costume Design |
| Costume & Make-Up | Alexandra Z. | Costume Design |
| Costume & Make-Up | Stephen Lynch | Hairstylist |
| Costume & Make-Up | Stephen Lynch | Makeup Artist |
| Directing | Arlene Hazzan Green | Second Assistant Director |
| Directing | John Pace | First Assistant Director |
| Directing | Tom Quinn | Second Second Assistant Director |
| Art | Peter Dykhuis | Sculptor |
| Art | Jake Fry | Assistant Art Director |
| Art | Peter Miskimmin | Props |
| Sound | Egidio Coccimiglio | Sound Re-Recording Mixer |
| Sound | Michele Moses | Location Sound Recordist |
| Sound | Steve Munro | Sound Editor |
| Sound | James Musselman | Foley Recordist |
| Sound | Alexandra Raffe | Assistant Sound Editor |
| Sound | Gord Thompson | Location Sound Recordist |
| Camera | Blake Balentine | Grip |
| Camera | Gavin Coford | Clapper Loader |
| Camera | Dennis Kane | Grip |
| Lighting | David Owen | Gaffer |
| Camera | Gregory Palermo | Grip |
| Camera | Durwin Partridge | Assistant Camera |
| Costume & Make-Up | Beth Pasternak | Wardrobe Coordinator |
| Editing | Ronald Sanders | Consulting Editor |
| Editing | Michael Werth | Assistant Editor |
| Art | Cellophane Idea | Location Scout |
| Art | Michelle Pelchat | Location Scout |
| Sound | Rebecca Jenkins | Vocals |
| Sound | John Switzer | Music Coordinator |
| Directing | Louise Shekter | Continuity |
| Visual Effects | Frank Doria | Generalist |
| Visual Effects | Debbie Honsberger | Generalist |
| Visual Effects | Wojtek Kozlinski | Generalist |
| Visual Effects | Jolynn Sommervill | Generalist |
| Crew | Michael Allder | Thanks |
| Crew | Debbie Nightingale | Thanks |
| Crew | Donna Wong-Juliani | Thanks |
