Casting principal
Wilfrid Grantham
The Lepidopterist / First Snail
Edmund Willard
The Tranp
Pamela Standish
The Chrysalis
Frank Birch
Mr. Beetle / Commander of the Yellows
Maire O'Neill
Mrs. Beetle / Philanthropist
Charles Peters
Robber Beetle/Journalist
Rupert Bruce Lockhart
The Ichneumon Fly / Inventor
Sheila Kay
The Larva
Notes
Équipe technique
Production
BBC