古堡的女伯爵在很早以前走失了自己的孙女，而据说古堡之中暗藏着财宝的秘密。为了得到秘藏，奸商Bundage命令小Casey伪装成她的孙女，成功打入古堡，而究竟宝藏藏在哪里呢？
David Niven
Priory
Helen Hayes
Lady St. Edmund
Jodie Foster
Casey
Leo McKern
Bundage
Veronica Quilligan
Cluny
Ian Sharrock
Peter
Sarah Tamakuni
Anna
David Samuels
Bobby
John Alderson
Jenkins
Mildred Shay
Mrs. McCress
Michael Balfour
Mr. McCress
Sydney Bromley
Mr. Thresher
Michael Segal
Train Guard
Vivian Pickles
Grimsworthy
