Vision On was a documentary of Clive Doig discussing the role of the vision mixer in making early Doctor Who episodes, including footage and discussion of studio mishaps that occurred on screen.
as Himself
as Barbara Wright (archive footage)
as Ian Chesterton (archive footage)
as Vicki Pallister (archive footage)
as The Doctor (archive footage)
as Susan Foreman (archive footage)
as Marco Polo (archive footage)
as (archive footage)