Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Duncan Young (born 4 June 1969) is an Australian actor. He is best known for his role in the science fiction television series Farscape in which he played the Scarran Emperor Staleek. He reprised the role for the follow-up mini-series Farscape: The Peacekeeper Wars. He also provided the voice for the character General Grievous during the filming of Star Wars Episode III: Revenge of the Sith. Other notable credits include the following Australian TV series: Water Rats, White Collar Blue and All Saints.