The minor cast of Precocious comprises the following seven rarities:
| Precocious characters |
|---|
| Main cast
Bud Oven | Autumn Pingo | Jacob Linkletter | Tiffany Et Suzette Grady | Dionne Crup | Max Zeit | Kaitlyn Hu | Roddy Finnegan | Quincy Wozwax | Vincent Iddenstein | Yvette Nutley | Ursula Xane Sydney and Joseph Oven | Ivy and Soren Pingo | Deirdre and Harvey Linkletter | Sky and Gene Et Minor cast Xander Upton | Michelangelo Et | Frida Et | The Et twins | Wen Hu | Johnny Turringer | Colleen Finnegan | Officer Dawson |