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Beatrix Lehmann
Dr. Susan Calvin
Tenniel Evans
QT-1
David Healy
Greg Powell
Brian Davies
Mike Donovan
Julie Allan
Martha Powell
Judy Keirn
Abigail Donovan
Michael Wolf
Van Muller
James Cossins
Interviewer
David Graham
Robot (voice)
Roy Skelton
Robot (voice)
Hayden Jones
Robot (voice)
Chris Blackwell
Robot
Tony Barnes
Robot
Derek Davis
Robot
Ron Eagleton
Robot
Graham Lawson
Robot
المخرج
Naomi Capon
الموسيقى
Delia Derbyshire
BBC TV
