Stardust starred an English musician who attained how many Top 40 singles in the UK? 
Stardust (1974 film): Stardust is a 1974 British film directed by Michael Apted and starring David Essex and Adam Faith. David Essex: David Essex, OBE (born David Albert Cook; 23 July 1947) is an English musician, singer-songwriter, and actor. David Essex:  Since the 1970s, he has attained 19 Top 40 singles in the UK (including two number ones) and 16 Top 40 albums.
i don't know