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 Stuart
Mary Green
Olivia Coles
Alice Constant
Steven Webb
William Constant
Ian Richardson
Stephen Tyler
Christopher Redman
Matthew Morden
Neil Pearson
Jack Green
Siân Phillips
Meg Lewis
Jennifer Saunders
The Rat (voice)
