- Writer (Willie the Gris):
- Rhoda Power
- Writer (Abercadapple):
- Miles Tomalin
- Puppeteer (Willie the Gris/Abercadapple):
- Audrey Atterbury
- Puppeteer (Willie the Gris/Abercadapple):
- Molly Gibson
- Puppeteer (Willie the Gris/Abercadapple):
- Gordon Murray
- Puppeteer (Willie the Gris/Abercadapple):
- Woolf Goldberg
- Puppeteer (Willie the Gris/Abercadapple):
- Joan Garrick
- Voices (Willie the Gris/Abercadapple):
- Kenneth Connor
- Voices (Willie the Gris/Abercadapple):
- Pamela Russell
- Voices (Willie the Gris/Abercadapple):
- Redvers Kyle
- Puppets (Willie the Gris/Abercadapple):
- Laurence Primmer
- Designer (Willie the Gris/Abercadapple):
- Claude Whatham
- Producer (Willie the Gris/Abercadapple):
- Ursula Eason