How many movies have Reg Hill and Sylvia Anderson collaborated on?

They have worked on 4 movies together! Their first movie together was Crossroads to Crime (1960) while their highest rated movie together was The Incredible Voyage of Stingray (1980). They have not worked together since Thunderbirds in Outer Space (1981). They are most known for their science fiction films together.

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Lady Penelope Creighton-Ward / Air Terrainean Guide (voice)
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