16. Five Go to Billycock Hill (1957)
Hurrah! It's holiday time, and the Famous Five are spending it at Billycock Hill. Most exciting of all, they've made a new friend—a real pilot! But when he disappears with top secret equipment, the Five are puzzled. Could their new friend be a spy?

THE FAMOUS FIVE 1995/1997 Series

Jemima Rooper as George
Marco Williamson as Julian
Paul Child as Dick
Laura Petela as Anne
Elsie Kelly as Joan
Christopher Good as Quentin
Mary Waterhouse as Frances