On Jupiter's moon he's the only law.
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.
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6.4/10Rating on TMDBFrom The Movie Database742 votes
Sean ConneryMarshal William T. O'Niel
Peter BoyleMark Sheppard
Frances SternhagenDr. Lazarus
James B. SikkingSgt. Montone
Kika MarkhamCarol O'Niel
Clarke PetersSgt. Ballard
Steven BerkoffSagan
John RatzenbergerTarlow
Nicholas BarnesPaul O'Niel
Manning RedwoodLowellMarc BoyleNicholas Spota
Pat StarrFlo SpectorHal GaliliOfficer Nelson
Angus MacInnesHughes
Stuart MilliganWalters
