When ex-con artist Harry claims that a secret treasure is hidden inside Candleshoe, an English estate, he creates an elaborate plan to find and steal the prize. By convincing a girl named Casey to impersonate the estate owner's long-lost granddaughter, Harry hopes to uncover the treasure's location. But when Casey has a change of heart, she must follow the clues and find the treasure, in order to save Candleshoe and stop Harry before it is too late.
David Niven
as Priory
Helen Hayes
as Lady St. Edmund
Jodie Foster
as Casey
Leo McKern
as Harry Bundage
Veronica Quilligan
as Cluny
Ian Sharrock
as Peter
Sarah Tamakuni
as Anna
David Samuels
as Bobby
John Alderson
as Jenkins
Mildred Shay
as Mrs. McCress
Michael Balfour
as Mr. McCress
Sydney Bromley
as Mr. Thresher
