- Author:
- John Buchan
- Adapted by:
- Judith Kerr
- Producer:
- Shaun Sutton
- Designer:
- Eileen Diss
- Spidel:
- Roger Delgado
- Leon:
- Colin Douglas
- Loudon:
- John Laurie
- Dobson:
- Paul Whitsun-Jones
- John Heritage:
- Richard Wordsworth
- Peter Patterson:
- Bernard Livesey
- Dougal:
- Leo Maguire
- Sir Archie:
- Anthony Sharp
- Princess Saskia:
- Dudy Nimmo
- Mrs. Morran:
- Jean Taylor-Smith
- Eugenie:
- Helen Misener
- Wee Jaikie:
- Graham Harper
- Mike:
- Philip Latham
- Ben:
- Alan Browning
- Dickson McCunn:
- James Hayter
- Paul Abreskov:
- John Westbrook
- Old Foghorn:
- Terry Cooke
- Chief Constable:
- Willoughby Gray
- Napoleon:
- Frazer Hines
- Thomas Yownie:
- Roy Hines
