On Jupiter's moon he's the only law.br br On the sunless moon Io, Marshall William T. O’Niel goes toe-to-toe with the corrupt manager of a mining colony and his gang of roughnecks while investigating a rash of worker suicides.br br Directorbr Peter Hyamsbr Writerbr Peter Hyamsbr Starsbr Sean Connery -Frances Sternhagen -Peter Boyle -James B.