Complex sentence: Initially Tanya Roberts from Charlie's Angels and was chosen but it did not work out so she was replaced by Michelle Phillips a singer from the vocal group The Mamas & the Papas they all flew out to Hong Kong to start filming at Golden Harvest studios.
Split into simpler sentences: Initially Tanya Roberts from Charlie's Angels and was chosen but it did not work out so she was replaced by Michelle Phillips a singer from the vocal group The Mamas & the Papas. They all flew out to Hong Kong to start filming at Golden Harvest studios.