Joy Sinclair was the production assistant for the Doctor Who television stories Resurrection of the Daleks, The Mysterious Planet and Time and the Rani. She had earlier been the uncredited director's assistant on Robot (INFO: Robot), Terror of the Zygons, (INFO: Terror of the Zygons) The Android Invasion (INFO: The Android Invasion), The Hand of Fear (INFO: The Hand of Fear) and The Invasion of Time. (INFO: The Invasion of Time)
She also worked on Blake's 7.