The Breakthrough
Simon Ward
Saunders
Brewster Mason
Maclean
Thomas Ellice
Ken
Clive Swift
Robbie
Anthony Nicholls
Sir John Fowler
Roy Boyd
Jason
Maryann Turner
Mrs Jason
Rosalind McCabe
Niki
John Westbrook
Voice of Charon One
Graham Evans
Director
Daphne du Maurier
Original Story
Colin Dixon
Sound
Judy Allen
Costumer
Ken Pearce
Editor
Tony Abbott
Set Designer
Clive Exton
Screenplay
Peter Sargent
Camera Operator
Anita Pickles
Makeup Artist
Irene Shubik
Producer
Bill Wild
Sound
Simon Channing Williams
Production Assistant
Geoff Shaw
Lighting Artist