Cousins William, Mary, and Alice stay at their uncle's old house, Golden House, and discover a hidden room where they meet Stephen Tyler, a 16th-century magician who has travelled through time. They must help him protect the valley from his wicked apprentice, Matthew Morden, who seeks to disrupt the magical and ecological balance.
Katie StuartMary GreenOlivia ColesAlice Constant
Steven WebbWilliam Constant
Ian RichardsonStephen Tyler
Christopher RedmanMatthew Morden
Neil PearsonJack Green
Siân PhillipsMeg Lewis
Jennifer SaundersThe Rat (voice)
Stephen FryJasper the Owl (voice)
John-Paul MacleodSpot the Dog (voice)
Gary MartinCinnabar the Fox (voice)
Robert WisdenCharles Morden
Kendall CrossPhoebe Taylor
Jesse MossMark Morden
