Roald Dahl Creator Cyril Cusack Percy Hampton Actor Andrew Ray Steve Actor Lynsey Baxter Jane Actor Tamara Ustinov Beryl Actor John Hug Arthur Actor Jacqueline Hill Mrs Milvain Actor Ian Flintoff Doctor Actor Jason Carter Youth Actor Giles Phibbs Farmer Actor Ruth Kettlewell Wife Actor Bryan Matheson Husband Actor Yvonne Marsh Policewoman Actor Peter Duffell Director Tony Wilmot Writer Denis Cannan Writer Graham C. Williams Producer John Woolf Executive Producer Richard Harvey Music