Judy Parfitt
— Helen Anstey
Alan Cullen
— Telephone Caller (voice)
Geoffrey Wearing
— Telephone Caller (voice)
Patricia Franklin
— Telephone Caller (voice)
Michael Gover
— Telephone Calle (voice)
David Hargreaves
— Telephone Caller (voice)
Colin McCormack
— Telephone Caller (voice)
Dorothy Vernon
— Telephone Caller (voice)